Coffield Motor Washer Co. v. A. D. Howe Mach. Co.
U.S. Circuit Court for the District of Northern West Virginia
In Equity. Suit by the Coffield Motor Washer Company against the' A. D. IIowc Machine Company. On final hearing.
1Opinion of the Court
DAYTON, District Judge.
For the fourth time I am now called upon to pass upon the validity of complainant’s reissue letters patent No. 12,719. Tn the case of Peter T. Coffield & Son v. Spears & Riddle (C. C.) 169 Fed. 641, the patent is fully described. In that case 1 considered the questions of infringement, the state of the prior art, the alleged irregularities in the Patent Office in the issue of the original and reissue patents, and whether the reissue was an unwarranted expansion of the original patent. I there determined that- in his motor “Coffield, the patentee, was the first to use,…
2Cases cited28 opinions
- Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
- Topliff v. TopliffSupreme Court of the United States · 1892
- National Hollow Brake-Beam Co. v. Interchangeable Brake-Beam Co.Court of Appeals for the Eighth Circuit · 1901
- Krementz v. S. Cottle Co.Supreme Court of the United States · 1893
- Gandy v. Main Belting Co.Supreme Court of the United States · 1892
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3Cited by1 opinion
- Alberger Gas Engine Co. v. Ross Heater & Mfg. Co.District Court, W.D. New York · 1922