TREA

Front face of a key plug

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Information

  • Patent Grant
  • D328238
  • Patent Number
    D328,238
  • Date Filed
    Friday, March 29, 1991
    33 years ago
  • Date Issued
    Tuesday, July 28, 1992
    31 years ago
  • US Classifications
    Field of Search
    • US
    • D08 330-331
    • D08 343
    • 070 344
    • 070 347-348
    • 070 356-357
    • 070 360-361
    • 070 365-369
    • 070 371-372
    • 070 406-407
    • 070 419
    • 070 490-496
    • 070 DIG 15
    • 070 DIG 62
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a front face of a key plug, as shown and described.
US Referenced Citations (14)
Number Name Date Kind
D278880 Widen May 1985
1782464 Falk Nov 1930
1961586 Heyer Jun 1934
2059129 Maxwell et al. Oct 1936
2202329 Braune May 1940
2803959 Schlage Aug 1957
2807158 Best Sep 1957
3605463 Epstein Sep 1971
4114411 Schlage Sep 1978
4275577 Castaldo Jun 1981
4683740 Errani Aug 1987
4723427 Oliver Feb 1988
4787225 Hauser Nov 1988
4899563 Martin Feb 1990
Foreign Referenced Citations (5)
Number Date Country
258614 Apr 1965 AUX
220505 Aug 1961 ATX
305953 Mar 1989 EPX
884937 Dec 1961 GBX
1355188 Jun 1974 GBX
Non-Patent Literature Citations (1)
Entry
Sargent "Cylinders & Components" Catalogue (1980) p. 8 Cylinder Barrel.