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Spring hinge construction for bulkhead doors
US 2,617,144 A
Filed
: 06/06/1950
Issued
: 11/11/1952
Est. Priority Date
: 06/06/1950
Status: Expired due to Term
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Current Assignee
Benedict P. Stearns
,
Ernest J. Carlson
Original Assignee
Benedict P. Stearns
,
Ernest J. Carlson
Inventors
Stearns, Benedict P.
,
Carlson, Ernest J.
Application Number
US03/166,317
Time in Patent Office
889 Days
Field of Search
US Class Current
16/298
CPC Class Codes
E05F 1/1261
for counterbalancing
E05Y 2999/00
Subject-matter not otherwis...
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