Legal Opinion
Cook Engineering and Electronics, Inc., and Cross-Appellee v. Hickory Foundry & MacHine Company, and Cross-Appellant
Court of Appeals for the Fourth Circuit
Decided January 4, 1965No. 9585PublishedCited by 2 opinions
1Per curiam
Patent No. 3,015,600 issued January 2, 1962, owned by the Cook Engineering and Electronics, Inc. and relating to the sealing of plastic bags was declared invalid, in Claims 1 and 4-14, by the District Court in the owner’s infringement suit against Hickory Foundry & Machine Company. Anticipation in the prior art and obviousness of concept were the grounds of the judgment. We affirm.
Descriptive of the typical and fundamental embodiment of the patent is Claim 4:
“4. An apparatus for simultaneously trimming and heat-sealing the open end of thermoplastic bags made from sheets of thermoplastic…
2Cases cited5 opinions
- Black & Decker Mfg. Co. v. Baltimore Truck Tire Service Corp.Court of Appeals for the Fourth Circuit · 1930
- Universal Incorporated v. Kay Manufacturing CorporationCourt of Appeals for the Fourth Circuit · 1962
- Cook Engineering & Electronics, Inc. v. Hickory Foundry & Machine Co.District Court, W.D. North Carolina · 1964
- David H. Keiser, Jr., D/B/A the Keiser Manufacturing Company v. High Point Hardware CompanyCourt of Appeals for the Fourth Circuit · 1962
- Pennco Engineering Co. v. Allied Chemical Corp.District Court, E.D. Virginia · 1964
3Cited by2 opinions
- Span-Deck, Inc., a Tennessee Corporation v. Fab-Con, Incorporated, a Minnesota Corporation and Rauenhorst Corporation, Aminnesota CorporationCourt of Appeals for the Eighth Circuit · 1982
- Span-Deck, Inc., a Tennessee Corporation v. Fab-Con, Incorporated, a Minnesota Corporation and Rauenhorst Corporation, Aminnesota CorporationCourt of Appeals for the Eighth Circuit · 1982