TREA

Push button lock module for attachment to a door knob

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Information

  • Patent Grant
  • D302788
  • Patent Number
    D302,788
  • Date Filed
    Monday, March 9, 1987
    37 years ago
  • Date Issued
    Tuesday, August 15, 1989
    35 years ago
  • US Classifications
    Field of Search
    • US
    • D08 330-331
    • D08 343-346
    • D08 350
    • D08 352
    • 070 158
    • 070 160
    • 070 209
    • 070 214
    • 292 348
    • 292 357
    • 016 1
    • 016 121
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a push button lock module for attachment to a door knob, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D289971 Carter May 1987
3667261 McGourty Jun 1972
4027508 McGourty Jun 1977
4274272 Wang et al. Jun 1981
4640110 Fish et al. Feb 1987