TREA

Chair back

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Information

  • Patent Grant
  • D421540
  • Patent Number
    D421,540
  • Date Filed
    Friday, April 2, 1999
    26 years ago
  • Date Issued
    Tuesday, March 14, 2000
    25 years ago
  • US Classifications
    Field of Search
    • US
    • D06 334
    • D06 364
    • D06 365
    • D06 366
    • D06 367
    • D06 500
    • D06 501
    • D06 502
    • 297 4112
    • 297 41135
    • 297 41136
  • International Classifications
    • 0606
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • We claim the ornamental design for a chair back, as shown and described.
US Referenced Citations (35)
Number Name Date Kind
D272204 DeBoer Jan 1984
D277143 Helmholdt Jan 1985
D279155 Aronowitz et al. Jun 1985
D292655 Hendrick Nov 1987
D309384 Buhk Jul 1990
D320507 Shields Oct 1991
D328199 Citterio Jul 1992
D330478 Wogoman et al. Oct 1992
D339927 Fahnstrom et al. Oct 1993
D343740 Ginat Feb 1994
D345259 Narita Mar 1994
D346279 Stumpf et al. Apr 1994
D349621 Wilson Aug 1994
D351070 Scheper et al. Oct 1994
D352181 Ivicevi Nov 1994
D358063 Larkin May 1995
D362947 Olson et al. Oct 1995
D362973 Schultz Oct 1995
D365453 Newhouse Dec 1995
D371683 Tolleson et al. Jul 1996
D380110 Tortel Jun 1997
D390712 Koepke et al. Feb 1998
D391791 Smith Mar 1998
D393755 Nemeth, Jr. Apr 1998
D398163 Desanta Sep 1998
4451085 Franck et al. May 1984
4509793 Wiesmann et al. Apr 1985
4529247 Stumpf et al. Jul 1985
4861108 Acton et al. Aug 1989
4911501 Decker et al. Mar 1990
5382079 Wilson et al. Jan 1995
5501507 Hummitzsch Mar 1996
5577807 Hodge et al. Nov 1996
5599067 Schuelke et al. Feb 1997
5667277 Van De Riet Sep 1997
Continuations (1)
Number Date Country
Parent 078365 Oct 1997