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Gate operating mechanism for a concrete bucket
US 2,812,970 A
Filed
: 02/26/1949
Issued
: 11/12/1957
Est. Priority Date
: 02/26/1949
Status: Expired due to Term
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Current Assignee
Edwin O. Martinson
Original Assignee
Edwin O. Martinson
Inventors
Martinson, Edwin O.
Application Number
US03/078,481
Time in Patent Office
3,181 Days
Field of Search
US Class Current
294/68.24
CPC Class Codes
B65D 2590/547
in multiple arrangement
B65D 2590/664
actuating mechanism other t...
B65D 90/582
having a rotational motion
E04G 21/025
Buckets specially adapted f...
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