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AUTOMATIC WATER CUT-OFF WATER HEATERS
US 3,473,553 A
Filed
: 11/16/1966
Issued
: 10/21/1969
Est. Priority Date
: 11/16/1966
Status: Expired due to Term
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Current Assignee
Thomas H. Collins
Original Assignee
Thomas H. Collins
Inventors
Collins, Thomas H.
Application Number
US04/594,730
Time in Patent Office
1,070 Days
Field of Search
US Class Current
137/312
CPC Class Codes
F24H 9/17
Means for retaining water l...
F24H 9/2007
for water heaters
Y10T 137/5762
With leakage or drip collec...
Y10T 137/7368
Servo relay operation of co...
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