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Heat actuated snap acting valve
US 3,069,125 A
Filed
: 01/20/1958
Issued
: 12/18/1962
Est. Priority Date
: 01/20/1958
Status: Expired due to Term
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Current Assignee
John C. Hewitt Jr
Original Assignee
John C. Hewitt Jr
Inventors
Hewitt, John C. Jr.
Application Number
US03/709,851
Time in Patent Office
1,793 Days
Field of Search
US Class Current
251/11
CPC Class Codes
F16K 31/566
using a bistable spring dev...
G05D 23/1921
using a thermal motor
G05D 23/275
with sensing element expand...
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