US PATENT SUBCLASS 48 / 53.1
.~.~.~.~ Bell operated

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

*  DD  ACETYLENE {5}
*  DD  .~ Generators {5}
38  DF  .~.~ Carbide feed {11}
53  DF  .~.~.~ Pop valve {3}
53.1.~.~.~.~ Bell operated {1}
53.2  DF  .~.~.~.~.~> Bell and holder combined

DEFINITION

Classification: 48/53.1

Carbid feed pop-valves operated by the rising and falling movement of the bell.

SEE OR SEARCH THIS CLASS, SUBCLASS:

53.2, for pop valves in which the carbid holder is carried by the bell.