Thomson-Houston Electric Co. v. Western Electric Co.

158 F. 813
Procedural entryThis page is a short order in Thomson-Houston Electric Co. v. Western Electric Co.. Read the opinion of the Court — 158 F. 813
Court of Appeals for the Second Circuit·Decided December 4, 1907·No. No. 64·Published

Opinion

COXE, Circuit Judge.

This is an infringement suit founded upon reissued letters patent No. 11,ST’S, granted November 13, 1900, to the complainant, as assignee of the administrators of Charles J. Van De-poele, deceased, for • improvements in-traveling contacts for electric railways. The originaTpatent No. 495,443 was dated April 11, 1893, and the application for the reissue was filed September 28, 1900, 7 years, 5 .months and 17 days’thereafter. On July 21, 1897, this court, in an action by ■ complainant against Hoosick Ry. Co. upon an appeal from an order granting a preliminary injunction (82 Fed. 461, 27 C. C. A. 419) decided that claims 6, 7, 8, 12, and 16, were invalid for double patenting, the same invention being described in letters patent No. 424,695 to Van Depoele April 1, 1890, upon a divisional application. In reaching this conclusion the- court decided the following propositions:

First. Upon an appeal from an order granting an injunction, the Circuit Court of Appeals is at liberty to re-examine the decision of another circuit court," which ruling, the court granting the injunction felt.,constrained to follow, and dispose of the questions of law, con-formably to its- own convictions..

[815] Second. The question whether two patents are for the same invention is to be determined by a comparison of the documents themselves; no extrinsic evidence being necessary to enable the court to ascertain their meaning and true construction.

Third. The two patents, No. 424,695 and No. 495,443, are unambiguous and even the file wrappers, which were in the record, are of little value as extrinsic evidence.

Fourth. The matter sought to be covered by the later patent is inseparably involved in the matter embraced in the earlier patent and, therefore, the claims in controversy are void. Miller v. Mfg. Co., 151 U. S. 198, 14 Sup. Ct. 310, 38 L. Ed. 121.

The changes of phraseology between the claims of the two patents import nothing of substance into the claims of the later patent which, in different language, describe the same combinations covered by the claims of the earlier patent. This decision was announced 3 years, 2 months and 7 days prior to the application for the re-issue.

On April 7, 1898, in an action by complainant against the Union Railway Co., 86 Fed. 636, 30 C. C. A. 313, this court, on appeal from an order granting a preliminary injunction, held that claims 2 and 4 of the later patent No. 495,443 were invalid for double patenting. This decision was announced 2 years, 5 months and 20 days prior to the application for the reissue.

In Thomson-Houston Co. v. Black River Traction Co., 135 Fed. 759, 68 C. C. A. 461, this court decided that the two claims of the reissue in suit were valid, the object of the reissue, which was to avoid the defense of double patenting, having been effectually accomplished. Although the tension device was not an element of claim 4 of the original it was held in the Union Railway Case that it must be read into the claim by implication and, as so construed, the claim was for the same invention as that covered by several of the claims of the earlier patent. In other words, in the Black River Case the court construedM the claims of the reissue as containing four elements and those of the original patent as having more than four elements and, being so dif-. ferentiated, the reissue was upheld. At page 764 of 135 Fed., page 466 of 68 C. C. A., the court says:

“Holding, as we do, that the tension device is not an element of the claims of the reissue, it is plain that the invention of those claims 'had not been patented, previously to the original patent, because in none of the claims of the patent of April 1st, 1890, was there one for a combination of the elements now claimed which did not also specify a tension device as an element.”

We see no escape from the conclusion that, under the previous decisions of this court, the claims of the reissue, are broader than those of the original. The reissue was saved from the fate of the original because its claims have but four elements whereas the claims of the original were construed to have five. We cannot now read into the claims the very element, the omission of which gave them vitality. If these claims are construed to include a tension device they are void for double patenting; if construed, as of course, they must be under the decision in the Black River Case, as containing but four elements, namely, the car, the overhead conductor, the swinging arm and the [816] contact device, it is obvious that they are broader than the claims of the original. It will thus be seen that the only questions left open for discussion are laches in applying for the reissue and the question of infringement.

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Thomson-Houston Electric Co. v. Western Electric Co., 158 F. 813 (2d Cir. 1907).

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