US PATENT SUBCLASS 126 / 35
.~.~.~ Safety devices

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

*  DD  STOVES {3}
1 R  DF  .~ Cooking {31}
34  DF  .~.~ Water backs {1}
35.~.~.~ Safety devices

DEFINITION

Classification: 126/35

(under subclass 34) Stoves provided with means for preventing the bursting of the water-back, due to excessive internal pressure as the result of overheating or the freezing of the water.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

504+, for safety devices on steam generators in general.

137, Fluid Handling,

59+, for valves controlled by means sensing freezing conditions, subclasses 67+ for valves controlled by a destructible element, and subclasses 455+ for valves responsive to changes in line conditions, particularly

subclasses 457 and 468 responsive to a change in thermal condition. 220, Receptacles,

366.1, and 367.1+ for vent means in a closure.