Boyer v. Keller Tool Co.
Court of Appeals for the Third Circuit
Appeal from the Circuit Court of the United States for the Eastern District of Pennsylvania.
1Opinion of the Court
ARCHBALD, District Judge.
The hill was dismissed on the ground of ’noninfringement, and the case may therefore be appropriately approached from that side. The patent in suit was issued to Joseph Boyer, April 16, 1895, for a pneumatic tool, and its various features are expressed in a large number of claims, only two groups of which, however, were the subject of consideration in tlie court below. The appellant accepts the conclusion reached with regard to those, of which claim 5 is typical, and which relate to the automatic valve mechanism at the rear of the piston chamber. The only complaint,…
2Cases cited10 opinions
- National Hollow Brake-Beam Co. v. Interchangeable Brake-Beam Co.Court of Appeals for the Eighth Circuit · 1901
- Hobbs v. BeachSupreme Court of the United States · 1901
- Sessions v. RomadkaSupreme Court of the United States · 1892
- National Cash Register Co. v. American Cash Register Co.Court of Appeals for the Third Circuit · 1892
- Taylor v. Sawyer Spindle Co.Court of Appeals for the Third Circuit · 1896
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3Cited by28 opinions
- Cold Metal Process Co. v. UNITED STATES ENG. & FOUNDRY CO.District Court, W.D. Pennsylvania · 1933
- Universal Oil Products Co. v. Winkler-Koch Engineering Co.District Court, D. Delaware · 1934
- Rollman Mfg. Co. v. Universal Hardware WorksDistrict Court, E.D. Pennsylvania · 1913
- Diamond Match Co. v. Ruby Match Co.U.S. Circuit Court for the District of New Jersey · 1904
- Jacquard Knitting MacHine Co. v. Ordnance Gauge Co.District Court, E.D. Pennsylvania · 1951
23 more not listed; retrieve them via the Exa API.