TREA

Swivel card file

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Information

  • Patent Grant
  • D312661
  • Patent Number
    D312,661
  • Date Filed
    Thursday, October 30, 1986
    38 years ago
  • Date Issued
    Tuesday, December 4, 1990
    33 years ago
  • US Classifications
    Field of Search
    • US
    • D19 76
    • D19 86
    • 206 425
    • 040 404
    • 040 68
    • 040 686
    • 211 51
    • 211 126
    • 211 58
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a swivel card file, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D247042 Neilsen et al. Jan 1978
D248962 Glaubinger et al. Aug 1978
D251848 Hollerith May 1979
D265659 Neilsen et al. Aug 1982
D270549 Burton et al. Sep 1983