TREA

Keyboard stacker

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Information

  • Patent Grant
  • D278670
  • Patent Number
    D278,670
  • Date Filed
    Thursday, December 9, 1982
    42 years ago
  • Date Issued
    Tuesday, May 7, 1985
    39 years ago
  • US Classifications
    Field of Search
    • US
    • D06 329
    • D06 396
    • D06 449
    • D06 466
    • D06 467
    • D06 468
    • D06 462
    • D06 463
    • D06 464
    • D06 465
    • 211 13
    • 211 181
    • 211 189
    • 211 71
    • 108 92
    • 108 93
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a keyboard stacker, as shown.
US Referenced Citations (6)
Number Name Date Kind
D23450 Heffner Jul 1894
D28772 Morrow May 1898
D75295 Sobel May 1928
D237231 Wells Oct 1975
580655 Thew Apr 1897
1169157 Honold Jan 1916