TREA

Letter opener

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Information

  • Patent Grant
  • D420271
  • Patent Number
    D420,271
  • Date Filed
    Tuesday, January 28, 1997
    27 years ago
  • Date Issued
    Tuesday, February 8, 2000
    24 years ago
  • US Classifications
    Field of Search
    • US
    • D08 102
    • D08 103
    • D08 104
    • D08 98
    • D20 10
    • D20 39
    • D20 40
    • D20 41
    • 030 2
    • 030 289
    • 030 294
    • 030 286
    • 030 DIG 3
    • D19 65
    • D19 99
    • D19 100
  • International Classifications
    • 0803
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a letter opener, as shown.
US Referenced Citations (37)
Number Name Date Kind
D62994 Kaucher Sep 1923
D159935 Simon Aug 1950
D161797 Smith Jan 1951
D240190 Cleveland Jun 1976
D246154 Tsang Oct 1977
D256883 Wharmby Sep 1980
D261612 Henkels Nov 1981
D278355 Williams Apr 1985
D286794 Bayless et al. Nov 1986
D301138 Lee May 1989
D306394 Koenig Mar 1990
D316273 Tsuji Apr 1991
D329183 Lage et al. Sep 1992
D329184 Lage et al. Sep 1992
D329584 Shevin et al. Sep 1992
D329798 Kramer et al. Sep 1992
D333773 Schapiro, Jr. Mar 1993
D334702 Godsey Apr 1993
D341307 Lage et al. Nov 1993
D342008 Lage et al. Dec 1993
D344227 Hsu Feb 1994
D350770 Carney et al. Sep 1994
D355108 Lage et al. Feb 1995
D365508 Koch Dec 1995
D372655 Lin Aug 1996
1553449 Kennedy Sep 1925
2439639 Tilly Apr 1948
2442694 Keiser Jun 1948
2535555 Tilly Dec 1950
2599439 Drake Jun 1952
2610399 Adams et al. Sep 1952
3009248 Tilly Nov 1961
3028670 Tilly Aug 1962
3290780 Oehlert Dec 1966
4450955 Featherston May 1984
4530154 DiCarlo Jul 1985
5288577 Carney et al. Feb 1994
Non-Patent Literature Citations (10)
Entry
Quick Point Catalog, 1981, p. 30, "Envelope Opener".
Quick Point Catalog, 1987, p. 26, left side of page.
Quick Point Catalog, 1990, pp. 52 and 53, "Envelope Opener".
Quick Point Catalog, 1992, Title page and pp. 16-22.
Quick Point promotional sheet entitled Home Opener.
Quick Point Envelope Opener picture, date unknown.
Media File '84, The 1984 ASI Catalog Showing "The Slick Letter Slitter . . . " p. asi/8657.
Media File '85, The 1985 ASI Catalog Showing "The Slick Letter Slitter . . . " p. asi/8657.
Media File '86, The 1986 ASI Catalog showing "Razor Letter Openers" pp. 478.
The Official 1989 ASI Buyer's Guide, 32nd Annual, showing "AVIS" Razor Letter Opener, p. asi/90141.