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HOT WATER HEATING SYSTEM HAVING A UNIQUE FITTING THEREIN
US 3,472,453 A
Filed
: 01/04/1968
Issued
: 10/14/1969
Est. Priority Date
: 01/04/1968
Status: Expired due to Term
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Current Assignee
Markland Norman Ray
,
Parkison Richard Grant
Original Assignee
Markland Norman Ray
,
Parkison Richard Grant
Inventors
MARKLAND NORMAN RAY
,
PARKISON RICHARD GRANT
Application Number
US04/695,738
Time in Patent Office
649 Days
Field of Search
US Class Current
237/63
CPC Class Codes
F24D 3/02
with forced circulation, e....
F24D 3/10
Feed-line arrangements, e.g...
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