Legal Opinion
Wilbur T. Bolkcom and William E. Knapp v. The Carborundum Company
Court of Appeals for the Sixth Circuit
Decided September 30, 1975No. 73-1320PublishedCited by 29 opinions
1Opinion of the Court
McCREE, Circuit Judge.
This is an appeal from the dismissal of an action by appellants, Bolkcom and Knapp, for infringement of a combination patent protecting the invention of a novel plant for the manufacture of silicon carbide. The patent in suit is Patent Re. 27,018 (hereinafter Patent ’018) dated January 5, 1971, a reissue of Patent No. 3,432,605 (hereinafter Patent ’605), dated March 11, 1969. The district court held that claims 11 — 14, which were added by the reissue, were invalid because they were an unauthorized enlargement of the disclosures of the original patent. It also held that…
2Cases cited17 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Anderson's-Black Rock, Inc. v. Pavement Salvage Co.Supreme Court of the United States · 1969
- Grinnell Washing MacHine Co. v. E. E. Johnson Co.Supreme Court of the United States · 1918
12 more not listed; retrieve them via the Exa API.
3Cited by29 opinions
- Kearney & Trecker Corp. v. Cincinnati Milacron Inc.Court of Appeals for the Sixth Circuit · 1977
- Eltra Corporation v. Basic IncorporatedCourt of Appeals for the Sixth Circuit · 1979
- Anne D. Nickola v. Kenneth Peterson, D/B/A Kaydee Products CompanyCourt of Appeals for the Sixth Circuit · 1978
- Reynolds Metals Company v. Acorn Building Components, Inc.Court of Appeals for the Sixth Circuit · 1977
- Lester L. Smith, and Cross-Appellee v. Acme General Corporation, and Cross-AppellantCourt of Appeals for the Sixth Circuit · 1980
24 more not listed; retrieve them via the Exa API.