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US 2,064,567 A
Filed
: 02/14/1936
Issued
: 12/15/1936
Est. Priority Date
: 02/14/1936
Status: Expired due to Term
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Current Assignee
Fred E. Riley
Original Assignee
Fred E. Riley
Inventors
Riley, Fred E.
Application Number
US02/063,824
Time in Patent Office
305 Days
Field of Search
US Class Current
137/244
CPC Class Codes
F16K 3/0281
Guillotine or blade-type va...
Y10T 137/4336
Cleaning member reciprocate...
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