TREA

Electronic card-operated door lock

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Information

  • Patent Grant
  • D299905
  • Patent Number
    D299,905
  • Date Filed
    Wednesday, September 3, 1986
    38 years ago
  • Date Issued
    Tuesday, February 21, 1989
    35 years ago
  • US Classifications
    Field of Search
    • US
    • D08 330-332
    • D08 346
    • D08 349
    • 174 66
    • 292 347
    • 070 91
    • 070 101-102
    • 070 104
    • 070 106-107
    • 070 158
    • 070 277-279
    • 070 287-288
    • 070 285
    • 192 22
    • D10 106
    • D10 104
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for electronic card-operated door lock, as shown and described.
US Referenced Citations (6)
Number Name Date Kind
D230601 Cross et al. Mar 1974
D246711 Kneale Dec 1977
D248233 Dibenedetto Jun 1978
D268029 Fisher Feb 1983
D280381 Schultz Sep 1985
D290442 Floyd et al. Jun 1987
Non-Patent Literature Citations (1)
Entry
Continental Instruments Corp. brochure, "Card Access 50", p. 1.