US PATENT SUBCLASS 433 / 90
.~.~.~ Single charge device having plunger-type ejector

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
80  DF  .~ Having intra-oral dispensing means {4}
89  DF  .~.~ Hand-held implement with material supply {1}
90.~.~.~ Single charge device having plunger-type ejector

DEFINITION

Classification: 433/90

Single charge device having plunger type ejector:

(under subclass 89) Apparatus including a pistonlike member movable through either the reservoir or an additional chamber supplied from the reservoir to expel the material contained in said reservoir or chamber through the discharge outlet.

SEE OR SEARCH CLASS

222, Dispensing,

386+, for dispensers comprising a container, discharge outlet and follower.