TREA

Knife sharpener

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Information

  • Patent Grant
  • D303209
  • Patent Number
    D303,209
  • Date Filed
    Friday, September 19, 1986
    38 years ago
  • Date Issued
    Tuesday, September 5, 1989
    35 years ago
  • US Classifications
    Field of Search
    • US
    • D08 90-94
    • D08 63
    • D07 74
    • 051 158
    • 051 204
    • 051 211 R
    • 051 211 H
    • 051 221 BS
    • 051 285
    • 051 205 WG
    • 076 82
    • 076 821
    • 076 822
    • 076 83
    • 076 88
    • 076 DIG 9
    • 030 138
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a knife sharpener, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D176887 Schwaneke et al. Feb 1956
D280286 Van Asten Aug 1985
2775075 McMaster et al. Dec 1956
3289498 Pleasants Dec 1966
3332173 McMaster et al. Jul 1967