TREA

Collapsible overhead projector

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Information

  • Patent Grant
  • D419582
  • Patent Number
    D419,582
  • Date Filed
    Wednesday, February 4, 1998
    26 years ago
  • Date Issued
    Tuesday, January 25, 2000
    24 years ago
  • US Classifications
    Field of Search
    • US
    • D16 221
    • D16 225
    • D16 134
    • D16 135
    • D16 229
    • D16 232
    • 353 61
    • 353 66
    • 353 119
    • 353 122
    • D06 419
    • D06 420
    • D06 429-431
  • International Classifications
    • 1602
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a collapsible overhead projector, as shown and described.
US Referenced Citations (11)
Number Name Date Kind
D322264 Jewison Dec 1991
D330040 Watanabe et al. Oct 1992
D332110 Held Dec 1992
D365836 Hasegawa Jan 1996
D367073 Kuo et al. Feb 1996
D397709 Park et al. Sep 1998
4696557 Tomizuka Sep 1987
4921343 Ushiro et al. May 1990
4978218 Carpenter et al. Dec 1990
5382991 Rodriguez, Jr. et al. Jan 1995
5722769 Fan Mar 1998
Non-Patent Literature Citations (2)
Entry
Miller's Office Product; p. 166; item C Cobra portable projector with case bottom center of page, 1996.
Catalog "87", pp. 370, Sony (Nov. 1997).