TREA

Slide calculator

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Information

  • Patent Grant
  • D316868
  • Patent Number
    D316,868
  • Date Filed
    Friday, March 31, 1989
    36 years ago
  • Date Issued
    Tuesday, May 14, 1991
    34 years ago
Information
Abstract
Description
Claims
  • The ornamental design for slide calculator, as shown and described.
US Referenced Citations (11)
Number Name Date Kind
D224259 Raimondi Jul 1972
D254078 Van Exel Jan 1980
1866133 Simon Jul 1932
2443882 Allen Jun 1948
2452417 Zentis Oct 1948
2532619 Heerich Dec 1950
2777617 Matt Jan 1957
3091389 Wiken May 1963
4028529 Van de Weghe Jun 1977
4189634 LaBove et al. Feb 1980
4308450 Ausman et al. Dec 1981
Foreign Referenced Citations (3)
Number Date Country
1064447 Oct 1979 CAX
19824 Jan 1899 GBX
789629 Jan 1958 GBX
Non-Patent Literature Citations (2)
Entry
Perry Graf; Calculator & Visualizer Brochure.
Catalogue entitled, "Successful Promotions", by American Slide Chart Corporation, 1989.