BAKER, District Judge.
The bill of complaint charges the defendant, Deere & Co., a corporation, with infringing the claim of letters patent of the United States to John E. Perkinson, June 6, 1876, Kb. 178,461, for “improvement in harrows,” which is owned by the complainant. It prays for an injunction and damages. The answer presents, in substance, as grounds of defense, want of novelty in the alleged invention, anticipation in prior patents, and nonin-fringement. In the specification the invention is described as follows;
“My harrow is composed of three distinct and separate harrows, the center one of which is composed of a center beam, A, with a crossbar, B, near each end, passing through a mortise therein. These bars also pass through mortises in side beams, O, 0, which are set at an angle towards both sides, as shown, and teeth, a, are passed through the beams at suitable distances apart. The side harrows are composed each of a series of parallel beams, D, connected by bars, E, passing through, mortises therein; the beams being set inclined, so as to correspond with the inclination of the side beams, 0, of the center harrow. Tooth, a, are also passed through the beams of the side harrows. All the harrows are connected by lints, b, with an equalizing bar, G-, to vrtiich the ends of a. chain, d, are secured, and the doubletree is attached in the center of said chain. By moans of the equalizing bar and chains, as described, the harrow will work equally as well on side hill as on level ground.”
The claim is as follows:
“Wliat I claim as new, and desire to secure by letters patent, is the combination of the reversed outer harrows, D, E, D, E, and the corresponding cen[502]*502ter harrow, A, B, C, connected by chains, b, to the evener, G, having the draught applied by a chain, a, substantially as described, and for the purpose set forth.”
When, as in this case, the claim immediately follows the description of the invention, it may be construed in connection with the explanations given in the description; and if, as here, the claim contains words referring back to the specification, it cannot properly be construed in any other way. Seymour v. Osborne, 11 Wall. 516.
For the purpose of showing the prior state of the art, and that the alleged invention of Perkinson had been anticipated, 57 patents and a large number of models of simple and combination harrows were produced in evidence and exhibited on the hearing. To analyze these various patents and models and point out their elements of coincidence with or divergence from the complainant’s combination would-be alike tedious and unprofitable. It is sufficient to say that the center harrow in the complainant’s combination is the old triangular or A-shaped drag which had been known and in familiar use long prior to his invention. The side harrows in its combination, composed of parallel beams extending from front to rear, connected by crossbars passing through mortises therein, the beams being set inclined so as to correspond with the inclination of the outer beam in the A-shaped harrow, had also been long known and used, and were familiar to the trade. The equalizing bar or evener, the chains or links for securing harrows to the same, and the chain attached to the evener, to which the doubletree is secured, were all old and familiar devices. The defendant had previously manufactured and introduced into extensive use combination harrows composed of two or more rhomboidal or diamond-shaped harrows identically similar to the outer harrow on the.right side of the complainant’s combination. In this combination harrow of the defendant, whether composed of two or more rhomboidal or diamond-shaped harrows, each section is secured to an equalizing bar or evener by chains or links, and the doubletree to which the draught is attached is secured to the equalizing bar or evener by a chain. In these particulars the combination harrow- covered by the complainant’s patent is similar to the combination harrows previously manufactured and sold by the defendant. Every element composing the complainant’s combination was known in the art of manufacturing harrows, and had been in public use prior to its alleged invention.
In view of the state of the art, the complainant’s combination, in my judgment, stands close upon the border line separating a patentable invention from an improvement which would be suggested by the prior state of the art to a competent and skillful mechanic familiar with the manufacture and use of harrows. Adams v. Stamping Co., 141 U. S. 539, 12 Sup. Ct. Rep. 66; Hailes v. Van Wormer, 20 Wall. 353; Pickering v. McCullough, 104 U. S. 310. The complainant’s combination, however, has been held to embody a patentable invention, and, with some hesitancy, I concur in that opinion. See Howard v. Plow Works, 35 Fed. Rep. 743. In this case the court says:
“The patent to the latter [Perkinson] covers a combination of three harrows, the two outer ones being reversed, and being composed of parallel beams, [503]*503tho center one being A-shaped, and all of the harrows being connected by links with an equalizing bar or evener, the beams of the reversed outer harrows having the same inclination as the corresponding side beam of the center harrow.”
The patented improvement is a combination of old elements constituting an apparatus for effecting the result described in the specification. In such a case, to constitute an infringement, the infringing apparatus should embody all the elements, or the mechanical equivalents, of the patented invention claimed to be infringed. Such a combination ought not to be broadly construed so as to prevent others from gleaning in the iiame field. Intentional infringement is alleged by the complainant, and the burden is upon him to prove the alieg-afcion, as the charge imputes a wrongful act to the defendant. Fuller v. Yentzer, 94 U. S. 288. The equalizing bar or evener, and the method of attaching the doubletree and the three harrows in the complainant’s combination to the same, involve nothing novel, either in their elements or in their combination. They had all been in use to accomplish the same purpose or result in prior combinations. The complainant’s combination of three harrows, composed of a center A-shaped harrow and two outer ones, reversed, of a rhomboidal or diamond shape, one on each side of the center harrow, with their beams so inclined as to be parallel with the outer beams of the center harrow, constitutes the patentable novel!y, if any, in the complainant’s invention. The elements of this combination are the two outer rliomboidal or diamond-shaped harrows, Hie one the reverse of the other, with an A-shaped harrow placed between them, and all attached to the equalizing bar or evener by short chains or links. The defendant’s combination does not contain two outer rliomboidal or diamond-shaped harrows, the one the reverse of the other; nor does it have an A-sha,ped harrow placed between two outer reversed rhomboidal or diamond* shaped harrows. Its combination consists of two similar rhomboidal or diamond-shaped harrows, and not one the reverse of the other, with an A-shaped harrow on their outer left-hand side, and all attached by short chains or links to an equalizing bar or evener.
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BAKER, District Judge.
The bill of complaint charges the defendant, Deere & Co., a corporation, with infringing the claim of letters patent of the United States to John E. Perkinson, June 6, 1876, Kb. 178,461, for “improvement in harrows,” which is owned by the complainant. It prays for an injunction and damages. The answer presents, in substance, as grounds of defense, want of novelty in the alleged invention, anticipation in prior patents, and nonin-fringement. In the specification the invention is described as follows;
“My harrow is composed of three distinct and separate harrows, the center one of which is composed of a center beam, A, with a crossbar, B, near each end, passing through a mortise therein. These bars also pass through mortises in side beams, O, 0, which are set at an angle towards both sides, as shown, and teeth, a, are passed through the beams at suitable distances apart. The side harrows are composed each of a series of parallel beams, D, connected by bars, E, passing through, mortises therein; the beams being set inclined, so as to correspond with the inclination of the side beams, 0, of the center harrow. Tooth, a, are also passed through the beams of the side harrows. All the harrows are connected by lints, b, with an equalizing bar, G-, to vrtiich the ends of a. chain, d, are secured, and the doubletree is attached in the center of said chain. By moans of the equalizing bar and chains, as described, the harrow will work equally as well on side hill as on level ground.”
The claim is as follows:
“Wliat I claim as new, and desire to secure by letters patent, is the combination of the reversed outer harrows, D, E, D, E, and the corresponding cen[502]*502ter harrow, A, B, C, connected by chains, b, to the evener, G, having the draught applied by a chain, a, substantially as described, and for the purpose set forth.”
When, as in this case, the claim immediately follows the description of the invention, it may be construed in connection with the explanations given in the description; and if, as here, the claim contains words referring back to the specification, it cannot properly be construed in any other way. Seymour v. Osborne, 11 Wall. 516.
For the purpose of showing the prior state of the art, and that the alleged invention of Perkinson had been anticipated, 57 patents and a large number of models of simple and combination harrows were produced in evidence and exhibited on the hearing. To analyze these various patents and models and point out their elements of coincidence with or divergence from the complainant’s combination would-be alike tedious and unprofitable. It is sufficient to say that the center harrow in the complainant’s combination is the old triangular or A-shaped drag which had been known and in familiar use long prior to his invention. The side harrows in its combination, composed of parallel beams extending from front to rear, connected by crossbars passing through mortises therein, the beams being set inclined so as to correspond with the inclination of the outer beam in the A-shaped harrow, had also been long known and used, and were familiar to the trade. The equalizing bar or evener, the chains or links for securing harrows to the same, and the chain attached to the evener, to which the doubletree is secured, were all old and familiar devices. The defendant had previously manufactured and introduced into extensive use combination harrows composed of two or more rhomboidal or diamond-shaped harrows identically similar to the outer harrow on the.right side of the complainant’s combination. In this combination harrow of the defendant, whether composed of two or more rhomboidal or diamond-shaped harrows, each section is secured to an equalizing bar or evener by chains or links, and the doubletree to which the draught is attached is secured to the equalizing bar or evener by a chain. In these particulars the combination harrow- covered by the complainant’s patent is similar to the combination harrows previously manufactured and sold by the defendant. Every element composing the complainant’s combination was known in the art of manufacturing harrows, and had been in public use prior to its alleged invention.
In view of the state of the art, the complainant’s combination, in my judgment, stands close upon the border line separating a patentable invention from an improvement which would be suggested by the prior state of the art to a competent and skillful mechanic familiar with the manufacture and use of harrows. Adams v. Stamping Co., 141 U. S. 539, 12 Sup. Ct. Rep. 66; Hailes v. Van Wormer, 20 Wall. 353; Pickering v. McCullough, 104 U. S. 310. The complainant’s combination, however, has been held to embody a patentable invention, and, with some hesitancy, I concur in that opinion. See Howard v. Plow Works, 35 Fed. Rep. 743. In this case the court says:
“The patent to the latter [Perkinson] covers a combination of three harrows, the two outer ones being reversed, and being composed of parallel beams, [503]*503tho center one being A-shaped, and all of the harrows being connected by links with an equalizing bar or evener, the beams of the reversed outer harrows having the same inclination as the corresponding side beam of the center harrow.”
The patented improvement is a combination of old elements constituting an apparatus for effecting the result described in the specification. In such a case, to constitute an infringement, the infringing apparatus should embody all the elements, or the mechanical equivalents, of the patented invention claimed to be infringed. Such a combination ought not to be broadly construed so as to prevent others from gleaning in the iiame field. Intentional infringement is alleged by the complainant, and the burden is upon him to prove the alieg-afcion, as the charge imputes a wrongful act to the defendant. Fuller v. Yentzer, 94 U. S. 288. The equalizing bar or evener, and the method of attaching the doubletree and the three harrows in the complainant’s combination to the same, involve nothing novel, either in their elements or in their combination. They had all been in use to accomplish the same purpose or result in prior combinations. The complainant’s combination of three harrows, composed of a center A-shaped harrow and two outer ones, reversed, of a rhomboidal or diamond shape, one on each side of the center harrow, with their beams so inclined as to be parallel with the outer beams of the center harrow, constitutes the patentable novel!y, if any, in the complainant’s invention. The elements of this combination are the two outer rliomboidal or diamond-shaped harrows, Hie one the reverse of the other, with an A-shaped harrow placed between them, and all attached to the equalizing bar or evener by short chains or links. The defendant’s combination does not contain two outer rliomboidal or diamond-shaped harrows, the one the reverse of the other; nor does it have an A-sha,ped harrow placed between two outer reversed rhomboidal or diamond* shaped harrows. Its combination consists of two similar rhomboidal or diamond-shaped harrows, and not one the reverse of the other, with an A-shaped harrow on their outer left-hand side, and all attached by short chains or links to an equalizing bar or evener. The outer reversed harrow on the left side of the complainant’s combination, which is a material element in it, is entirely wanting in the defendant’s combination. So, also, there is no A-shaped harrow placed between two outer ones in the defendant’s drag. Nor is there any harrow in the defendant’s combination which can be made to take the place of the outer reversed harrow on the left side of the plaintiffs combination, without taking it in pieces and reconstructing it on a different plan.
The defendant, prior to the complainant’s invention, had manufactured and introduced into extensive use a combination harrow consisting of three similar rhomboidal or diamond-shaped harrows, all attached to an equalizing bar or evener by short chains or links, and having the doubletree secured to the equalizing bar or evener by a chain. The defendant’s combination consists simply in detach - ing the outer harrow on the left side of its old combination, and in substituting therefor the old triangular or A-sliaped harrow. Such a change and readjustment hardly rises to the dignity of a patent[504]*504able invention; but, whether it does or does not, in my opinion it is not an infringement of the complainant’s combination. In my opinion, the bill of complaint is without equity, and ought to be dismissed at complainant’s cost; and it is so ordered.