US PATENT SUBCLASS 222 / 647
.~.~.~.~.~ And mechanical timing element

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  DF  .~.~.~.~ Including electrical timing circuit {1}
647.~.~.~.~.~ And mechanical timing element {1}
648  DF  .~.~.~.~.~.~> And battery power supply

DEFINITION

Classification: 222/647

And mechanical timer element:

(under subclass 646) Dispenser including a mechanism for limiting the period of discharge, or the period between the end of one discharge and the beginning of the succeeding discharge.