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Extension shaft for grinding motors
US 2,787,873 A
Filed
: 12/23/1954
Issued
: 04/09/1957
Est. Priority Date
: 12/23/1954
Status: Expired due to Term
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Current Assignee
Clarence E. Hadley
Original Assignee
Clarence E. Hadley
Inventors
Hadley, Clarence E.
Application Number
US03/477,366
Time in Patent Office
838 Days
Field of Search
US Class Current
451/342
CPC Class Codes
F16C 3/02
Shafts; Axles
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