Legal Opinion
Hall Laboratories, Inc. v. Economics Laboratory, Inc.
Court of Appeals for the Eighth Circuit
Decided July 6, 1948No. 13661PublishedCited by 16 opinions
1Opinion of the Court
WOODROUGH, Circuit Judge.
This is an appeal from a judgment dismissing plaintiff’s suit for infringement of its two patents, No. Re 19719 entitled “Water Softening and Washing” and No. 2035652, entitled “Washing and Cleaning”, both to Ralph E. Hall as inventor. The trial court held the patents invalid for lack of invention over an old publication referred to as the “Fresenius text” and also on the ground that the descriptions used m the two composition claims relied on fail to comply as to certainty of description with the requirements of Revised Statutes Section 4888, 35 U.S.C.A. § 33. Its…
2Cases cited20 opinions
- United States v. United States Gypsum Co.Supreme Court of the United States · 1948
- General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
- Thomson Spot Welder Co. v. Ford Motor Co.Supreme Court of the United States · 1924
- Bischoff v. WetheredSupreme Court of the United States · 1870
- United States v. Esnault-PelterieSupreme Court of the United States · 1936
15 more not listed; retrieve them via the Exa API.
3Cited by16 opinions
- Pointer v. Six Wheel CorporationCourt of Appeals for the Ninth Circuit · 1949
- Trico Products Corporation v. Delman Corporation Delman Corporation v. Trico Products CorporationCourt of Appeals for the Eighth Circuit · 1950
- Robert E. Caldwell, an Individual, and Caldwell Manufacturing Company, a Corporation v. Kirk Manufacturing Company, a CorporationCourt of Appeals for the Eighth Circuit · 1959
- Hall Laboratories, Inc. v. National Aluminate Corp.District Court, D. Delaware · 1951
- Rota-Carb Corporation, a New York Corporation, and Bernard Harmon v. Frye Manufacturing Company, an Iowa CorporationCourt of Appeals for the Eighth Circuit · 1963
11 more not listed; retrieve them via the Exa API.