Plunger lock mechanism

Information

  • Patent Grant
  • D384875
  • Patent Number
    D384,875
  • Date Filed
    Wednesday, October 30, 1996
    28 years ago
  • Date Issued
    Tuesday, October 14, 1997
    27 years ago
  • US Classifications
    Field of Search
    • US
    • D08 330-331
    • D08 339-342
    • 292 1-2
    • 292 137
    • 292 162
    • 292 16913
    • 292 16914
    • 292 DIG 46
    • 292 DIG 53
    • 292 DIG 55
    • 070 88-91
    • 070 95-97
    • 070 99-100
    • 070 124
    • 070 127
    • 070 129
    • 070 344
    • 070 404
    • 070 405
  • International Classifications
    • 0807
    • Term of Grant
      14Years
Abstract
Description
Claims
  • The design for a plunger lock mechanism, as shown and described.
US Referenced Citations (17)
Number Name Date Kind
D293878 Kayser Jan 1988
D319776 Barrett et al. Sep 1991
D349035 Baber Jul 1994
D351780 Baber Oct 1994
1580611 Kirkpatrick Apr 1926
3710052 Jette, Jr. Jan 1973
3803575 Gotanda Apr 1974
3851325 Maged Nov 1974
3967080 Errani Jun 1976
4317969 Riegler et al. Mar 1982
4336518 Holce et al. Jun 1982
4465997 Hines Aug 1984
4587517 Engstrom et al. May 1986
4609910 Geringer et al. Sep 1986
4639022 Dunphy Jan 1987
4903010 Greene Feb 1990
5155460 Huckins et al. Oct 1992
Non-Patent Literature Citations (2)
Entry
Fig. 1 diagram of a conventional plunger lock to secure a movable barrier without a reed switch.
Fig. 2 diagram of a cross-section of a conventional plunger lock without a reed switch.