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Pump and filling plug
US 2,550,157 A
Filed
: 01/22/1947
Issued
: 04/24/1951
Est. Priority Date
: 01/22/1947
Status: Expired due to Term
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Current Assignee
Eric Mazza
Original Assignee
Eric Mazza
Inventors
Mazza, Eric
Application Number
US02/723,592
Time in Patent Office
1,553 Days
Field of Search
US Class Current
141/96
CPC Class Codes
F04B 23/023
only the pump-part being im...
F04B 9/14
Pumps characterised by musc...
Y10T 137/8342
Liquid level responsive ind...
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