Legal Opinion
Grayson Heat Control v. Los Angeles Gas Appliance Co.
Court of Appeals for the Ninth Circuit
Decided March 13, 1943No. 10045PublishedCited by 10 opinions
1Opinion of the Court
MATHEWS, Circuit Judge.
This was an action by appellant against appellee for infringement of claims 20 and 22 of patent No. 1,699,468 and claim 10 of patent No. 1,957,774. Defenses pleaded by appellee were that the claims were invalid for lack of novelty and for lack of invention, and that, if valid, they were not infringed. The court below held the claims invalid and dismissed the action. D.C., 40 F.Supp. 928. Appellant seeks reversal.
Patent No. 1,699,468.
Patent No. 1,699,468 was applied for by John H. Grayson (appellant’s assignor) on January 3, 1928, and was issued on January 15, 1929. The…
2Cases cited10 opinions
- McClain v. OrtmayerSupreme Court of the United States · 1891
- Toledo Pressed Steel Co. v. Standard Parts, Inc.Supreme Court of the United States · 1939
- Textile MacHine Works v. Louis Hirsch Textile MacHines, Inc.Supreme Court of the United States · 1938
- Richards v. Chase Elevator Co.Supreme Court of the United States · 1895
- Mantle Lamp Co. v. Aluminum Products Co.Supreme Court of the United States · 1937
5 more not listed; retrieve them via the Exa API.
3Cited by10 opinions
- Pointer v. Six Wheel CorporationCourt of Appeals for the Ninth Circuit · 1949
- Kemart Corp. v. Printing Arts Research Laboratories, Inc.Court of Appeals for the Ninth Circuit · 1953
- Maurice A. Garbell, Inc. v. Boeing CompanyDistrict Court, C.D. California · 1973
- John H. Emerson v. National Cylinder Gas Company, National Cylinder Gas Company v. John H. Emerson, National Cylinder Gas Company v. John H. EmersonCourt of Appeals for the First Circuit · 1958
- International Carbonic Engineering Co. v. Natural Carbonic Products, Inc.District Court, S.D. California · 1944
5 more not listed; retrieve them via the Exa API.