Legal Opinion
Rice v. General Motors Corp.
District Court, D. Massachusetts
Decided March 29, 1956No. Civ. A. No. 53-178PublishedCited by 3 opinions
1Opinion of the Court
FORD, District Judge.
This is an action for infringement of U. S. Patent No. 1,977,773, issued October 23, 1934 to plaintiff Rice, for a tappet valve clearance compensator. Only claim 9 of the patent is involved in the present action. Defendant moves for summary judgment holding claim 9 of the patent invalid.
In the construction of the train or gear by which motion is transmitted between the cam and the valve stem of an internal combustion engine it is neces- . sary to provide a certain amount of clearance between the metal parts to allow for expansion when these parts become hot during…
2Cases cited8 opinions
- General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
- O'Reilly v. MorseSupreme Court of the United States · 1854
- Halliburton Oil Well Cementing Co. v. WalkerSupreme Court of the United States · 1946
- Permutit Co. v. Graver Corp.Supreme Court of the United States · 1931
- Muncie Gear Works, Inc. v. Outboard, Marine & Manufacturing Co.Supreme Court of the United States · 1942
3 more not listed; retrieve them via the Exa API.
3Cited by3 opinions
- Pierce v. American Communications Co.District Court, D. Massachusetts · 1958
- Alva G. Blanchard v. Robert C. Watson, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1956
- DOLE Refrigerating Co. v. Amerio Contact Plate Freezers, Inc.District Court, D. New Jersey · 1958