Stevenson v. Shalcross
Court of Appeals for the Third Circuit
• Appeal from the District Court of the United States for the Eastern District of Pennsylvania; John B. McPherson, Judge. Suit in equity for infringement by Samuel Price Stevenson against Jesse Shalcross and others. Decree for defendants as to one patent, and complainant appeals. Affirmed. Decree for complainant as to second patent, and defendants appeal.
1Opinion of the Court
BUFFINGTON, Circuit Judge.
In the court below, Stevenson, the grantee of two patents capable of conjoint use, charged the defendants Shalcross with infringement thereof. On final hearing the court held and decreed the first patent, viz., No. 817,199, granted April 10, 1906, for a door frame, void. Whereupon Stevenson appealed. It also held and decreed claims 4 and 5 of the second patent, No. 812,-377, granted, February 13, 1906, “for improvements in door frames, doors, and adjunctive mechanism for air-tight compartments,” valid and infringed, and that claims 1, 2, 3, and 7 were invalid.…
2Cited by2 opinions
- Graham v. Jeoffroy Mfg., Inc.Court of Appeals for the Fifth Circuit · 1953
- Walker Mfg. Co. v. Illinois Brass Mfg. Co.Court of Appeals for the Seventh Circuit · 1920