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Magnetic locking device
US 2,730,392 A
Filed
: 11/12/1954
Issued
: 01/10/1956
Est. Priority Date
: 11/12/1954
Status: Expired due to Term
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Current Assignee
Nils A. Thiebaud
Original Assignee
Nils A. Thiebaud
Inventors
Thiebaud, Nils A.
Application Number
US03/468,223
Time in Patent Office
424 Days
Field of Search
US Class Current
292/201
CPC Class Codes
E05B 47/004
the magnets acting directly...
Y10S 160/16
Magnetic
Y10T 292/1082
Motor
Y10T 70/7057
Permanent magnet
Y10T 70/7169
Complex movement or puzzle ...
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