Legal Opinion
The Ceco Corporation v. Bliss & Laughlin Industries, Inc.
Court of Appeals for the Ninth Circuit
Decided July 18, 1977No. 75-2552PublishedCited by 12 opinions
1Opinion of the Court
OPINION
CUMMINGS, Circuit Judge.
Plaintiff filed this suit in March 1974 seeking a declaratory judgment that Cunningham Patent No. 3,527,320 held by defendant is invalid or, in the alternative, not infringed by plaintiffs scaffolding. After a trial, the district court held the patent invalid on the grounds of obviousness and prior public use. The court also held that plaintiff’s scaffold does not infringe the Cunningham claims, even if valid.
Arthur L. Cunningham was awarded the patent in question on September 8, 1970, on the basis of his patent application filed on July 19,1968. He was employed…
2Cases cited10 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Sakraida v. Ag Pro, Inc.Supreme Court of the United States · 1976
- Dann v. JohnstonSupreme Court of the United States · 1976
- Hewlett-Packard Company v. Tel-Design, Inc.Court of Appeals for the Ninth Circuit · 1972
- Novo Industrial Corporation v. Standard Screw CompanyCourt of Appeals for the Seventh Circuit · 1967
5 more not listed; retrieve them via the Exa API.
3Cited by12 opinions
- Richard L. Zweig and Muriel Bruno v. The Hearst Corporation, a Corporation, Alex N. Campbell, H. W. Jamieson, E. L. OesterleCourt of Appeals for the Ninth Circuit · 1979
- Photo Electronics Corporation v. John M. England, Trustee in Bankruptcy for Ferrex Corporation, Photo Electronics Corporation v. Ferrex CorporationCourt of Appeals for the Ninth Circuit · 1978
- Bristol Locknut Company, Plaintiff/appellee/cross-Appellant v. Sps Technologies, Inc., Defendant/appellant/cross-AppelleeCourt of Appeals for the Ninth Circuit · 1982
- Smith International, Inc., a California Corporation v. Hughes Tool Company, a Delaware CorporationCourt of Appeals for the Ninth Circuit · 1982
- Ndm Corporation v. Hayes Products, Inc., and Joseph H. JohnsonCourt of Appeals for the Ninth Circuit · 1981
7 more not listed; retrieve them via the Exa API.