TREA

Respirator fit test hood

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Information

  • Patent Grant
  • D389910
  • Patent Number
    D389,910
  • Date Filed
    Thursday, May 30, 1996
    28 years ago
  • Date Issued
    Tuesday, January 27, 1998
    27 years ago
  • US Classifications
    Field of Search
    • US
    • D29 106-108
    • D29 110
    • 002 4
    • 002 410
    • 002 424
    • 002 202
    • 002 205
    • 002 206
    • 002 173
    • 128 20122-20124
    • 128 20621
    • 128 857
    • D24 191
    • D24 110-1106
  • International Classifications
    • 2902
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a respirator fit test hood, as shown and described.
US Referenced Citations (22)
Number Name Date Kind
41957 Zengeler Mar 1864
D249168 Sweet Aug 1978
3525334 Braman Aug 1970
4146025 Warncke et al. Mar 1979
4197841 Brauer et al. Apr 1980
4253328 Pasternack Mar 1981
4458680 Childers et al. Jul 1984
4466432 Wise Aug 1984
4674492 Niemeyer Jun 1987
4832011 Busch May 1989
4846166 Willeke Jul 1989
4887316 Morandini Dec 1989
4905683 Cronjaeger Mar 1990
4914957 Dougherty Apr 1990
5003974 Mou Apr 1991
5062163 Avey Nov 1991
5109548 Balaban et al. May 1992
5115804 Brookman May 1992
5182941 Frenkel et al. Feb 1993
5289819 Kroger et al. Mar 1994
5299448 Maryyanek et al. Apr 1994
5411017 Wong May 1995