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Legal Opinion

Kratz v. Calvert

Court of Customs and Patent Appeals

Decided June 15, 1942No. 4581PublishedCited by 8 opinions

1Opinion of the CourtGarrett, Presiding Judge

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming that of the Examiner of Interferences awarding priority to appellee in an interference proceeding declared between applications for patents. The subject matter involved relates to rubber hydrochloride products and the method of their manufacture.

The invention is defined in six counts (four for the method and two for the product) of which Nos. 4 and 6 are illustrative. These read:

4. The method of increasing the transparency and clarity of a sheet or film prepared by casting a rubber…

2Cases cited1 opinion

  1. Goodyear Tire & Rubber Co. v. Marbon Corp.District Court, D. Delaware · 1939

3Cited by8 opinions

  1. Myers v. FeigelmanCourt of Customs and Patent Appeals · 1972
  2. John J. Goodrich v. Arnold C. Harmsen and Burke P. Lokey, Burke P. Lokey v. Arnold C. Harmsen and John J. GoodrichCourt of Customs and Patent Appeals · 1971
  3. Snitzer v. EtzelCourt of Customs and Patent Appeals · 1972
  4. Nichols & Co. v. United StatesCourt of Customs and Patent Appeals · 1972
  5. Application of Friedrich Gruschwitz and Albert FritzCourt of Customs and Patent Appeals · 1963

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