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Legal Opinion

Kyrides v. Andersen

Court of Customs and Patent Appeals

Decided July 2, 1941No. Patent Appeal 4491PublishedCited by 11 opinions

1Opinion of the Court

HATFIELD, Associate Judge.

This is an appeal in an interference proceeding from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the Examiner of Interferences awarding priority of the invention defined in the single count in issue to appellees, Andersen, Grenquist, and Ball.

The invention relates to a composition embodying a cellulose derivative and an alkyl acetonyl phthalate YYhich acts as a plasticizer of the cellulose derivative as stated in the count in issue.

The count reads: “2. A composition embodying a cellulose derivative and containing…

2Cases cited7 opinions

  1. Automatic Weighing Mach. Co. v. Pneumatic Scale Corp.Court of Appeals for the First Circuit · 1909
  2. In Re SteenbockCourt of Customs and Patent Appeals · 1936
  3. In Re LangmuirCourt of Customs and Patent Appeals · 1932
  4. In Re WalkerCourt of Customs and Patent Appeals · 1934
  5. Blodgett v. RichterCourt of Customs and Patent Appeals · 1935

2 more not listed; retrieve them via the Exa API.

3Cited by11 opinions

  1. Fontijn v. OkamotoCourt of Customs and Patent Appeals · 1975
  2. Application of KyridesCourt of Customs and Patent Appeals · 1947
  3. Marion Den Beste v. Harry MartinCourt of Customs and Patent Appeals · 1958
  4. Richard C. Loshbough v. Kenneth C. AllenCourt of Customs and Patent Appeals · 1969
  5. Samuel S. Kistler v. Neill WeberCourt of Customs and Patent Appeals · 1969

6 more not listed; retrieve them via the Exa API.

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