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Air pump
US 2,812,525 A
Filed
: 05/04/1956
Issued
: 11/12/1957
Est. Priority Date
: 05/04/1956
Status: Expired due to Term
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8
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Current Assignee
Sidney L. Friedlander
Original Assignee
Sidney L. Friedlander
Inventors
Friedlander, Sidney L.
Application Number
US03/582,693
Time in Patent Office
557 Days
Field of Search
US Class Current
417/479
CPC Class Codes
A47C 27/081
of pneumatic type
A47C 27/084
self inflating
F04B 45/02
having bellows
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