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Stopcock
US 3,038,694 A
Filed
: 04/14/1960
Issued
: 06/12/1962
Est. Priority Date
: 04/14/1960
Status: Expired due to Term
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Petitions
8
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Current Assignee
Joseph T. Dunbeck
,
Walter K. Hanf
Original Assignee
Joseph T. Dunbeck
,
Walter K. Hanf
Inventors
Dunbeck, Joseph T.
,
Hanf, Walter K.
Application Number
US04/022,256
Time in Patent Office
789 Days
Field of Search
US Class Current
251/181
CPC Class Codes
F16K 27/062
with conical plugs
F16K 5/0207
with special plug arrangeme...
F16K 5/025
Particular coverings or mat...
Y10S 417/01
Materials digest
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