Legal Opinion
Rajah Auto Supply Co. v. Belvidere Screw & Machine Co.
Court of Appeals for the Seventh Circuit
Decided April 26, 1921No. 2889PublishedCited by 24 opinions
Appeal from the District Court of the United States for the Eastern Division of the Northern District of Illinois. Bill by the Rajah Auto Supply Company against the Belvidere Screw & Machine Company and another. Decree of dismissal, and complainant appeals.
1Opinion of the Court
EVANS, Circuit Judge.
Appellant’s patent deals with a spark plug. Mills, the patentee, says in his specifications:
“It has been found.that where an earthenware shank—such, for example, as porcelain—is used with an unyielding bushing screwing down upon a collar on the same there has been great danger of cracking the shank, because the pressure when the bushing was screwed down too tight or the expansion of the shank when heated would cause the porcelain to crack, even when a packing material is used. The embodiment of my invention illustrated avoids both these objections, and also avoids the…
2Cases cited5 opinions
- McLean v. FlemingSupreme Court of the United States · 1878
- Menendez v. HoltSupreme Court of the United States · 1888
- Wolf, Sayer & Heller, Inc. v. United States Slicing Mach. Co.Court of Appeals for the Seventh Circuit · 1919
- Munson Mfg. Co. v. Deere & Co.Court of Appeals for the Seventh Circuit · 1919
- Rajah Auto Supply Co. v. Emil Grossman Co.Court of Appeals for the Second Circuit · 1911
3Cited by24 opinions
- Universal Oil Products Co. v. Globe Oil & Refining Co.Court of Appeals for the Seventh Circuit · 1943
- Shaffer v. Rector Well Equipment Co.Court of Appeals for the Fifth Circuit · 1946
- Hartford-Empire Co. v. Swindell Bros.Court of Appeals for the Fourth Circuit · 1938
- Rohm and Haas Co. v. Dawson Chemical Co., Inc.District Court, S.D. Texas · 1983
- Howard v. HoweCourt of Appeals for the Seventh Circuit · 1932
19 more not listed; retrieve them via the Exa API.