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Mechanical movement
US 2,598,275 A
Filed
: 05/26/1950
Issued
: 05/27/1952
Est. Priority Date
: 05/26/1950
Status: Expired due to Term
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Current Assignee
Harold Lakin
Original Assignee
Harold Lakin
Inventors
Lakin, Harold
Application Number
US03/164,349
Time in Patent Office
732 Days
Field of Search
US Class Current
74/36
CPC Class Codes
A61C 17/3436
Rotation around the axis pe...
B29L 2031/425
Toothbrush
Y10T 74/18144
Overcoming dead center
Y10T 74/18208
Crank, pitman, and slide
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