US PATENT SUBCLASS 431 / 321
.~.~ Having distinct container filling or venting structure


Current as of: June, 1999
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431 /   HD   COMBUSTION

298  DF  FIBROUS WICK TYPE FLAME HOLDER {9}
320  DF  .~ Liquid fuel container carries wick guide or support {4}
321.~.~ Having distinct container filling or venting structure


DEFINITION

Classification: 431/321

(under subclass 320) Apparatus including (1) distinct means forming a passage through a wall of the reservoir serving as a vent for the reservoir; or (2) means distinct from the wick guide or support opening for filling the reservoir.

SEE OR SEARCH CLASS

141, Fluent Material Handling, With Receiver or Receiver Coacting Means, appropriate subclass for means specialized for filling a container with a fluent material.