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Sliding gate valve
US 2,757,896 A
Filed
: 11/26/1951
Issued
: 08/07/1956
Est. Priority Date
: 11/26/1951
Status: Expired due to Term
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Current Assignee
Olin B. Sangster
Original Assignee
Olin B. Sangster
Inventors
Sangster, Olin B.
Application Number
US03/258,194
Time in Patent Office
1,716 Days
Field of Search
US Class Current
251/176
CPC Class Codes
F16K 3/14
with special arrangements f...
Y10T 137/4273
Mechanical cleaning
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