TREA

Block filter

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Information

  • Patent Grant
  • D420094
  • Patent Number
    D420,094
  • Date Filed
    Friday, July 31, 1998
    27 years ago
  • Date Issued
    Tuesday, February 1, 2000
    26 years ago
  • US Classifications
    Field of Search
    • US
    • D23 365
    • D23 200
    • D23 207
    • D23 208
    • D23 209
    • 210 49701
    • 210 4971
    • 210 4972
    • 210 4973
  • International Classifications
    • 2301
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a block filter, as shown and described.
US Referenced Citations (13)
Number Name Date Kind
D306640 Kott Mar 1990
D336011 Bannigan Jun 1993
D349567 Miller et al. Aug 1994
D366516 Stewart Jan 1996
D390910 Sundquist Feb 1998
D403740 Kott et al. Jan 1999
D403741 Rao et al. Jan 1999
D404113 Denkewicz, Jr. et al. Jan 1999
D404114 Denkewicz, Jr. et al. Jan 1999
D404796 Miller et al. Jan 1999
3684100 Close Aug 1972
3883428 Waring May 1975
4753728 VanderBilt et al. Jun 1988