Legal Opinion
Byron Jackson Co. v. Wilson
District Court, S.D. California
Decided February 13, 1942No. 685-Y CivPublishedCited by 3 opinions
1Opinion of the Court
YANKWICH, District Judge.
Letters Patent No. 1,871,825, issued on August 16, 1932, to Nelson K. Smith, “for an elevator latch” deal with an invention which, as the specifications declare, “relates to side door elevators of the type used in the raising and lowering of well casing, tubing, and the like, in the operations of drilling a well and maintaining the same in production.” One of the declared objects of the invention “is to provide a latch that operates in a vertical plane, the path of movement of said latch also being in a vertical plane.”
*393The defendant is charged in the amended complaint…
2Cases cited17 opinions
- Eibel Process Co. v. Minnesota & Ontario Paper Co.Supreme Court of the United States · 1923
- McClain v. OrtmayerSupreme Court of the United States · 1891
- Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
- General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
- Permutit Co. v. Graver Corp.Supreme Court of the United States · 1931
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3Cited by3 opinions
- Scott & Williams, Inc. v. Pittston Stevedoring Corp.District Court, S.D. New York · 1976
- Hansen v. ColliverDistrict Court, N.D. California · 1959
- Shipley v. Salem School District 24JCourt of Appeals of Oregon · 1983