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Door actuator and locking system
US 2,971,755 A
Filed
: 08/18/1959
Issued
: 02/14/1961
Est. Priority Date
: 08/18/1959
Status: Expired due to Term
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Current Assignee
Green William H M
Original Assignee
Green William H M
Inventors
GREEN WILLIAM H M
Application Number
US03/834,565
Time in Patent Office
546 Days
Field of Search
US Class Current
49/347
CPC Class Codes
E05F 15/627
operated by flexible elonga...
E05Y 2900/531
Doors
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