US PATENT SUBCLASS 221 / 276
.~.~ Spring biased


Current as of: June, 1999
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221 /   HD   ARTICLE DISPENSING

208  DF  WITH DISCHARGE ASSISTANT {28}
268  DF  .~ Reciprocating (including oscillating) {5}
276.~.~ Spring biased


DEFINITION

Classification: 221/276

(under subclass 268) Devices in which the discharge assistant is resiliently urged in either of its directions.

SEE OR SEARCH CLASS

222, Dispensing,

336+, for fluent material dispensers having biasing means generally, and see particularly subclasses 340+ for such devices in which the biasing means is for a reciprocating piston or follower type material impelling device.