Legal Opinion
Floridin Co. v. Attapulgus Clay Co.
Court of Appeals for the Third Circuit
Decided January 30, 1942No. 7634PublishedCited by 19 opinions
1Opinion of the Court
GOODRICH, Circuit Judge.
This case involves the validity of the patent known as the Hartshorne patent (No. 2,079,854) for the treatment of fuller’s earth designed to increase the capacity of that substance for. decolorizing oil. The District Court held the plaintiff’s patent invalid for anticipation by and lack of invention over Ikeda patent No. 1,630,660 (owned by defendant) and the corresponding Ikeda Japanese patent No. 42,368. The plaintiff appeals to this court.
The complex colloidal aluminum silicate known as fuller’s earth has changed in commercial use from the function of removing oil…
2Cases cited10 opinions
- Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935
- Paramount Publix Corp. v. American Triergon Corp.Supreme Court of the United States · 1935
- Manton v. United StatesSupreme Court of the United States · 1940
- Smith v. HallSupreme Court of the United States · 1937
- L. Sonneborn Sons, Inc. v. CoeCourt of Appeals for the D.C. Circuit · 1939
5 more not listed; retrieve them via the Exa API.
3Cited by19 opinions
- Baldwin-Lima-Hamilton Corp. v. Tatnall Measuring Systems Co.District Court, E.D. Pennsylvania · 1958
- Chemical Construction Corporation v. Jones & Laughlin Steel Corporation, Chemical Construction Corporation v. Jones & Laughlin Steel CorporationCourt of Appeals for the Third Circuit · 1962
- In Re Multidistrict Litigation Involving Frost PatentDistrict Court, D. Delaware · 1975
- International Carbonic Engineering Co. v. Natural Carbonic Products, Inc.District Court, S.D. California · 1944
- Ansul Company v. Uniroyal, Inc.District Court, S.D. New York · 1969
14 more not listed; retrieve them via the Exa API.