US PATENT SUBCLASS 222 / 646
.~.~.~.~ Including electrical timing circuit

Current as of: June, 1999
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222 /   HD   DISPENSING

638  DF  INCLUDING TIMER {4}
639  DF  .~ For timing dispensing period {3}
644  DF  .~.~ And means for timing the period between dispensing cycles {1}
645  DF  .~.~.~ Of aerosol dispenser {1}
646.~.~.~.~ Including electrical timing circuit {1}
647  DF  .~.~.~.~.~> And mechanical timing element {1}

DEFINITION

Classification: 222/646

Including electrical timing circuit:

(under subclass 645) Dispenser including an electrical circuit, the inherent electrical properties of which determine the period of discharge, or the period between the end of one discharge and the beginning of the succeeding discharge.