Legal Opinion
Payne Furnace & Supply Co. v. Williams-Wallace Co.
Court of Appeals for the Ninth Circuit
Decided February 14, 1941No. 9327PublishedCited by 16 opinions
1Opinion of the Court
HEALY, Circuit Judge.
The appeal is from an interlocutory decree sustaining the validity of Letters Patent No. 2,013,193 of Stadtfeld and holding it infringed.
It is conceded that the patent, if valid, was infringed. The questions argued concern the validity of the patent and the effect of a disclaimer filed during the progress of the suit.
The Stadtfeld patent was granted September 3, 1935. The invention relates to improvements in composite pipe construction of the kind used in conveying gases or fluids of combustion. An object of the invention, as stated in the patent, is to provide a…
2Cases cited23 opinions
- Schriber-Schroth Co. v. Cleveland Trust Co.Supreme Court of the United States · 1940
- Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935
- Smith v. SnowSupreme Court of the United States · 1935
- Paramount Publix Corp. v. American Triergon Corp.Supreme Court of the United States · 1935
- Dunbar v. MyersSupreme Court of the United States · 1876
18 more not listed; retrieve them via the Exa API.
3Cited by16 opinions
- Milcor Steel Co. v. George A. Fuller Co.Supreme Court of the United States · 1942
- Foxboro Co. v. Taylor Instrument CompaniesCourt of Appeals for the Second Circuit · 1946
- Marvin Edwin Whiteman v. L. G. MathewsCourt of Appeals for the Ninth Circuit · 1954
- Himes v. ChadwickCourt of Appeals for the Ninth Circuit · 1952
- Joel A. Del Francia v. Stanthony Corporation, a CorporationCourt of Appeals for the Ninth Circuit · 1960
11 more not listed; retrieve them via the Exa API.