TREA

Index card file

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Information

  • Patent Grant
  • D331424
  • Patent Number
    D331,424
  • Date Filed
    Monday, October 15, 1990
    34 years ago
  • Date Issued
    Tuesday, December 1, 1992
    32 years ago
  • US Classifications
    Field of Search
    • US
    • D19 65
    • D19 20
    • D19 75
    • D19 78
    • D19 76
    • D19 84
    • D19 86
    • D19 90
    • D19 91
    • D19 92
    • D19 95
    • D19 99
    • D19 100
    • 211 10
    • 211 11
    • 211 45
    • 211 50
    • 211 55
    • 040 371-380
    • 040 384
    • 040 404
    • 312 183
    • 312 185
    • 312 193
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a index card file, as shown and described.
US Referenced Citations (9)
Number Name Date Kind
D101974 Sengbusch Nov 1936
D247042 Neilsen et al. Jan 1978
D248963 Macowski Aug 1978
D250343 Macowski Nov 1978
D251848 Hollerith May 1979
D312661 Lesczak Dec 1990
D323188 Evenson et al. Jan 1992
D323532 Evenson Jan 1992
D323533 Williams Jan 1992