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US 2,649,825 A
Filed
: 05/01/1950
Issued
: 08/25/1953
Est. Priority Date
: 05/01/1950
Status: Expired due to Term
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Current Assignee
Ernest F. Fisher
Original Assignee
Ernest F. Fisher
Inventors
Fisher, Ernest F.
Application Number
US03/159,216
Time in Patent Office
1,212 Days
Field of Search
US Class Current
81/125
CPC Class Codes
B25B 13/48
for special purposes
B25B 13/481
for operating in areas havi...
B25B 27/24
mounting or demounting valv...
Y10T 29/53552
Valve applying or removing
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