POWER DOOR LOCKING AND UNLOCKING APPARATUS
United States Patent 3541874
US Patent References:
Automatic lock opener
- - 2189346
Door latch and control means
- - 2822203
Closure latch
- - 2943880
Power actuated door operator
- - 3069151
Reversible drive transmission
- - 3142998
Automatic lock opener
- - 2189346
Door latch and control means
- - 2822203
Closure latch
- - 2943880
Power actuated door operator
- - 3069151
Reversible drive transmission
- - 3142998
Inventors:
Durocher, Gideon A.
Publication Date:
11/24/1970
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Export Citation:
Assignee:
ESSEX INTERNATIONAL INC
Primary Class:
Other Classes:
49/280, 70/279.100, 49/140
International Classes:
E05B65/32; E05B65/36; E05B65/12; E05B47/00; F16H1/18; E05F15/00
US Patent References:
| 3344554 | Door open-and-close mechanism |