TREA

Chemical detergent block

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Information

  • Patent Grant
  • D334227
  • Patent Number
    D334,227
  • Date Filed
    Tuesday, May 14, 1991
    33 years ago
  • Date Issued
    Tuesday, March 23, 1993
    31 years ago
  • US Classifications
    Field of Search
    • US
    • D23 207
    • D28 81
    • 252 90
    • 252 92
    • 252 134
    • 252 174
    • 252 DIG 2
    • 252 DIG 3
    • 206 5
    • 206 5241
    • 434 278
    • 403 305
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a chemical detergent block, as shown and described.
US Referenced Citations (14)
Number Name Date Kind
D283649 Casberg Apr 1986
D285729 Tovey Sep 1986
D304244 Tovey Oct 1989
683181 Mereness Sep 1901
692481 Robinson Feb 1902
1267949 Williams May 1918
3925225 Morrison Dec 1975
4569780 Fernholz et al. Feb 1986
4683072 Holdt et al. Jul 1987
4835804 Arnau-Munoz et al. Jun 1989
4942973 Bowie Jul 1990
4944165 Leebeek et al. Jul 1990
5122158 Kuroda et al. Jun 1992
5133892 Chun et al. Jul 1992
Foreign Referenced Citations (1)
Number Date Country
0245760 Jun 1987 EPX