US PATENT SUBCLASS 48 / 55
.~.~.~ Slide valve

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}
55.~.~.~ Slide valve

DEFINITION

Classification: 48/55

(under subclass 52) Carbid feed generators in which the valve slides upon its seat distinguished from the structure in ..., in that there is no intervening space between the valve and

the mouth of the hopper or seat.