Legal Opinion
Philip A. Hunt Co. v. Mallinckrodt Chemical Works
District Court, E.D. New York
Decided July 14, 1947No. Civ. 5371PublishedCited by 14 opinions
1Opinion of the Court
BYERS, District Judge.
Decision is required concerning the validity of defendant’s U. S. Patent No. 2,-168,756 to Donald B. Alnutt, assignor to defendant, granted August 8, 1939, on Application of May 9, 1938, for “Acid Resist Powder for Use in Etching”, and whether plaintiff’s unpatented products infringe.
The plaintiff seeks declaratory judgment of invalidity and non-infringement; and defendant counterclaims, seeking an injunction and damages.
Subj ect-Matter:
In the art of photo-engraving, a picture or design is etched upon a metal plate from which reproduction is possible. The etching is…
2Cases cited17 opinions
- General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
- Holland Furniture Co. v. Perkins Glue Co.Supreme Court of the United States · 1928
- Godfrey v. EamesSupreme Court of the United States · 1864
- Safety Car Heating & Lighting Co. v. General Electric Co.Court of Appeals for the Second Circuit · 1946
- Bauer v. ClarkCourt of Appeals for the Seventh Circuit · 1947
12 more not listed; retrieve them via the Exa API.
3Cited by14 opinions
- Fireman's Fund Insurance Co., in No. 75-2405 v. Videfreeze Corporation, and David E. Chinnery Development Corp., Inno. 75-2406Court of Appeals for the Third Circuit · 1976
- Philip A. Hunt Co. v. Mallinckrodt Chemical WorksCourt of Appeals for the Second Circuit · 1949
- The UNIVERSITY OF ILLINOIS FOUND. v. Block Drug Co.District Court, E.D. Illinois · 1955
- Asseff v. Marzall, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1951
- Georgia-Pacific Plywood Co. v. United States Plywood Corp.District Court, S.D. New York · 1956
9 more not listed; retrieve them via the Exa API.