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Belt-driven hand saw with increased belt friction
US 2,737,213 A
Filed
: 02/06/1953
Issued
: 03/06/1956
Est. Priority Date
: 02/02/1950
Status: Expired due to Term
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Current Assignee
Archer W. Richards
,
Ervin J. Osterhus
Original Assignee
Archer W. Richards
,
Ervin J. Osterhus
Inventors
Richards, Archer W.
,
Osterhus, Ervin J.
Application Number
US03/335,524
Time in Patent Office
1,124 Days
Field of Search
US Class Current
30/376
CPC Class Codes
B27B 9/00
Portable power-driven circu...
F16H 7/02
with belts; with V-belts
F16H 7/14
of a driving or driven pulley
Y10T 83/7793
Means to rotate or oscillat...
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