TREA

Muffler for a jackhammer

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Information

  • Patent Grant
  • D355422
  • Patent Number
    D355,422
  • Date Filed
    Friday, October 9, 1992
    32 years ago
  • Date Issued
    Tuesday, February 14, 1995
    30 years ago
  • US Classifications
    Field of Search
    • US
    • D23 249-259
    • D12 194
    • 181 212
    • 181 217
    • 181 227
    • 181 230
    • 181 252
    • 181 254
    • D15 122
    • D15 123
    • D15 128
    • D15 138
    • D15 99
    • 175 135
    • 173 80
    • 173 835
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a muffler for a jackhammer, as shown and described.
US Referenced Citations (7)
Number Name Date Kind
1115704 Manes Nov 1914
2166218 Morrison Jul 1939
2949975 Plummer Aug 1960
3379278 Skowron Apr 1968
3815705 Bennett Jun 1974
4662474 Cheng May 1987
5189267 Ligman Feb 1993