Root v. Sontag

47 F. 309, 1891 U.S. App. LEXIS 1432
CourtU.S. Circuit Court for the District of Northern California
DecidedMay 4, 1891
StatusPublished
Cited by2 cases

This text of 47 F. 309 (Root v. Sontag) is published on Counsel Stack Legal Research, covering U.S. Circuit Court for the District of Northern California primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Root v. Sontag, 47 F. 309, 1891 U.S. App. LEXIS 1432 (circtndca 1891).

Opinion

Hawley, J.

Respondents demur to the complainants’ bill in equity for the infringement of letters patent No. 372,289, dated October 25, 1887, for an improvement in loom shuttles. Several grounds of demurrer arc staled, the important ones being that the amended bill is insufficient and devoid of equity in the following particulars: (8) That it appears upon the face of the patent sued upon that it is void for want of novelty; (4) that it appears upon the face of the patent sued upon that it is void for want of invention. It is not often that these questions are presented by demurrer. Ordinarily the nature of the subject demands the testimony of witnesses skilled in the art to which the patent relates to enable the court to act intelligently upon the question whether or not the improvement required inventive skill for Its production. It is, however, well settled that, in a bill in equity for the infringement of a patent, if the patent is void upon its face by reason of want of novelty or patentable invention, the court may, upon demurrer, stop at the instru[310]*310ment itself, and decide in favor of the defendant; and the court may, upon such investigation, take judicial notice of a thing within the common knowledge and use of the people throughout the country. Brown v. Piper, 91 U. S. 37; Terhune v. Phillips, 99 U. S. 592; Slawson v. Railroad Co., 107 U. S. 649, 2 Sup. Ct. Rep. 668; King v. Gallun, 109 U. S. 99, 3 Sup. Ct. Rep. 85. In the light of these authorities, it is clearly the duty of the court to examine the patent, and ascertain whether or not, upon its face, it is void for want of novelty or invention. In this respect we are aided by the drawings accompanying the patent.

Fig. 1 is a side view of one end of the shuttle, showing the tip in place; Fig. 2 is apian view thereof; and Fig. 3 is a sectional view of the cap removed, showing the holt by which it is secured. The inventor in his specifications states that—

“In the manufacture of loom shuttles, it is customary to protect the end of the shuttle body by means of a flat plate, which is variously secured to the shuttle body, and has a spur or point projecting from one side thereof, which serves to insure the passage of the shuttle properly between the threads of the warp, while a portion of the flat plate serves to receive the impulse of the picker, which throws the shuttle from end to end of its travel. These plates are sometimes secured to the end of the shuttle by means of two pins, which projectfrom the plate and are driven into the end of the shuttle; or they may be secured by means of screws, one of which has its head counter-sunk to tit flush with the surface of the plate, while the other is provided with a pointed extension, as before described. In either case the rapid movement of the shuttle, and the violent blows to which it is subjected, cause the wood to become split in a short time, or the plates to be loosened, and, furthermore, the shuttle bodies are very often split and broken in the act of putting the plates on. In my invention, A is a metallic cap, made of sufficient length to have a chamber, B, formed within its larger end of the same shape as the end of the shuttle to which it is to be fitted. 0 is the pointed tip which insures the proper passage of the shuttle between the threads, as before described. A counter-sunk hole, D, is made through the central portion of the metallic tip, and a bolt, E, passes through this hole, and a corresponding one in the end of [311]*311the shuttle, so that it enters the central open space within the body of the shuttle. A nut, F, is screwed upon the threaded end of this bolt, thus holding the tip firmly to the shuttle, and preventing its over being loosened or displaced, the single boit being sufficient for this purpose. By reason of the above construction, I am enabled to attach the metallic tip to the shuttle body without injury to the latter, and at the same time provide a simple and secure means for holding the same thereon.”

The claims of the patent are:

“(1) The combination with the shuttle body of a metallic tip having a conically shaped chamber adapted to receive the end of the shuttle body, a bolt passing through said chamber and the end of the shuttle body, having a head counter-sunk in the outer end or wall of the tip, and a securing nut on the inner end of said bolt, substantially as herein described. (2) The combination, with a shuttle body, of a metallic cap having a pointed tip, d, and a chamber by which such cap is fitted to the end of the shuttle body, and a bolt passing through said cap and the end of the shuttle body, having at one end a head counter-sunk in said cap, and at the opposite end a securing nut, substantially as described. ”

From this reference to the drawings, specifications, and claims in the patent it appears that on the end of the shuttle body a flat plate was formerly attached by means of a screw or bolt, driven or screwed into the end of the shuttle body; that the constant movement of the shuttle was liable to causo the wood to split, and the plates to become loose. The improvement in this respect is made by extending the screw through the end of the shuttle, and placing a nut on the end of the bolt of the screw. It must be admitted that this is an improvement upon the former methods in common use, in this: that it holds the plate or tip more securely to the end of the shuttle, and prevents the wood from splitting as frequently as it otherwise would. But does this improvement involve any mechanical skill? Can the improvement, as made, be called invention? The use of a bolt with a nut screwed on the end of it for the purpose of holding or fastening, things together is not only well known to mechanics, but is a matter within the general knowledge of the public. When, from any cause, it was discovered that the tip on the end of the shuttles would frequently become loose, or the wood split, what would be more natural than to suggest the driving of the bolt through the end of the shuttle, and placing a nut on the end of the bolt, and screw it up tightly? The shuttle, as thus constructed, performs no new function. It operates precisely as it did before the improvement was made. The improvement is superior to the old methods in the mechanical structure of the shuttles, but is not, in my opinion, of such a character as required inventive skill. In Hollister v. Manufacturing Co., 113 U. S. 72, 5 Sup. Ct. Rep. 717, the court, having under consideration a patent for an improvement of a revenue stamp for barrels, etc., used language applicable to the improvement, as made in this case, by adding the nut to the bolt of the screw. The invention—

“Seems to us not to spring from that intuitive faculty of the mind put forth in the search for new results or new methods, creating what had not before existed, or bringing to light what lay hidden from vision; but, on the other hand, to be the suggestion of that common experience, which arose spontanous[312]*312ly and by a necessity of human reasoning in the minds of those who had became acquainted with the circumstances with which they had to deal.

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Bluebook (online)
47 F. 309, 1891 U.S. App. LEXIS 1432, Counsel Stack Legal Research, https://law.counselstack.com/opinion/root-v-sontag-circtndca-1891.