Legal Opinion
Lane-Wells Co. v. M. O. Johnston Oil Field Service Corporation. M. O. Johnston Oil Field Service Corporation v. Lane-Wells Co
Court of Appeals for the Ninth Circuit
Decided April 24, 1950No. 11965_1PublishedCited by 9 opinions
1Opinion of the Court
DRIVER, District Judge.
'This action was brought by ,M. O. Johnston Oil Field Service Corporation, hereinafter referred to as -plaintiff, for a declaratory judgment that a patent, No. 2,029,491, granted to W. G. Lane February 4, 1936 on an application filed December 20, 1932, was invalid. Lane-Wells Company, a corporation, the owner of the patent, -herein called defendant, by its counterclaim charged the plaintiff with infringement. The district court held the patent valid but not infringed and both parties appealed. Plaintiff appealed from the holding that claims 7-9, inclusive, and 11-14,…
2Cases cited18 opinions
- Cuno Engineering Corp. v. Automatic Devices Corp.Supreme Court of the United States · 1942
- Reckendorfer v. FaberSupreme Court of the United States · 1876
- Hailes v. Van WormerSupreme Court of the United States · 1874
- Grinnell Washing MacHine Co. v. E. E. Johnson Co.Supreme Court of the United States · 1918
- Concrete Appliances Co. v. GomerySupreme Court of the United States · 1925
13 more not listed; retrieve them via the Exa API.
3Cited by9 opinions
- Hall v. WrightCourt of Appeals for the Ninth Circuit · 1957
- Oriental Foods, Inc. v. Chun King Sales, Inc.Court of Appeals for the Ninth Circuit · 1957
- Bergman v. Aluminum Lock Shingle Corporation Of AmericaCourt of Appeals for the Ninth Circuit · 1958
- Dolgoff v. Kaynar Co.District Court, S.D. California · 1955
- Jerrold Stephens Co. v. Alladin Plastics, Inc.District Court, S.D. California · 1964
4 more not listed; retrieve them via the Exa API.