Legal Opinion

Douglas Aircraft Co. v. Weeks

District Court, District of Columbia

Decided June 10, 1959No. Civ. A. No. 905-57PublishedCited by 2 opinions

1Opinion of the Court

SIRICA, District Judge.

This is an action under 35 U.S.C.A. § 145 to obtain authorization from this Court for the Commissioner of Patents to issue to the plaintiffs letters patent on their application, Serial No. 316,325 filed October 22, 1952 and entitled “Phos-phonate Ester Hydraulic Fluid”. The claims deal with a composition of matter or a new and useful improvement thereof consisting of a hydraulic fluid designed to meet specifications for use in modern aircraft hydraulic systems and involving exposure to both high and very low temperatures. Both the Patent Office Examiner and the Patent…

2Cases cited7 opinions

  1. Abbott v. CoeCourt of Appeals for the D.C. Circuit · 1939
  2. Crown Cork & Seal Co. v. Aluminum Stopper Co.Court of Appeals for the Fourth Circuit · 1901
  3. L-O-F Glass Fibers Company and Everett J. Cook v. Robert C. Watson, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1955
  4. Bullard Co. v. CoeCourt of Appeals for the D.C. Circuit · 1945
  5. Manhattan Book Casing Mach. Co. v. E. C. Fuller Co.U.S. Circuit Court for the District of Southern New York · 1912

2 more not listed; retrieve them via the Exa API.

3Cited by2 opinions

  1. Douglas Aircraft Company, Inc., and Douglas H. Moreton v. Frederick H. Mueller, Secretary of Commerce, and Robert C. Watson, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1960
  2. Douglas Aircraft Co. v. MuellerDistrict Court, District of Columbia · 1961

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