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Constant pressure liquid pump
US 2,895,424 A
Filed
: 09/13/1955
Issued
: 07/21/1959
Est. Priority Date
: 09/13/1955
Status: Expired due to Term
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13
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Current Assignee
John F. Wein
,
Vernon N. Tramontini
Original Assignee
John F. Wein
,
Vernon N. Tramontini
Inventors
Tramontini, Vernon N.
,
Wein, John F.
Application Number
US03/533,994
Time in Patent Office
1,407 Days
Field of Search
US Class Current
417/566
CPC Class Codes
F04B 43/0054
particularities of the flex...
F04B 43/02
having plate-like flexible ...
F04B 53/1065
fixed at its centre
F04B 9/06
the means including spring-...
Y10T 137/789
Central mount
Y10T 74/18256
Slidable connections [e.g.,...
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