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Metal bellows
US 2,811,173 A
Filed
: 05/11/1954
Issued
: 10/29/1957
Est. Priority Date
: 05/11/1954
Status: Expired due to Term
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Current Assignee
Walter L. Benson
Original Assignee
Walter L. Benson
Inventors
Benson, Walter L.
Application Number
US03/428,994
Time in Patent Office
1,267 Days
Field of Search
US Class Current
92/45
CPC Class Codes
F16J 3/047
Metallic bellows
Y10T 29/49877
of flexible wall, expansibl...
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