TREA

Drill bit sharpener

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Information

  • Patent Grant
  • D342007
  • Patent Number
    D342,007
  • Date Filed
    Thursday, April 16, 1992
    32 years ago
  • Date Issued
    Tuesday, December 7, 1993
    31 years ago
  • US Classifications
    Field of Search
    • US
    • D08 90
    • D08 91
    • D08 92
    • D08 93
    • 051 173
    • 051 288
    • 051 219 R
    • 051 204
    • 051 205 R
    • 051 80 BS
    • 051 84 BS
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a drill bit sharpener, as shown and described.
US Referenced Citations (6)
Number Name Date Kind
D278205 Lindgren Apr 1985
D309559 Vaccaro Jul 1990
3698140 Steadman Oct 1972
3961450 Knaell Jun 1976
4016685 Moores, Jr. et al. Apr 1977
4142332 Clarke Mar 1979