US PATENT SUBCLASS 96 / 424
WITH TIMING OR CHANGEABLE PROGRAMMING MEANS


Current as of: June, 1999
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96 /   HD   GAS SEPARATION: APPARATUS

424WITH TIMING OR CHANGEABLE PROGRAMMING MEANS {2}
425  DF  .~> Of cleaning mechanism for separating media {2}
429  DF  .~> For advancing filter media


DEFINITION

Classification: 96/424

WITH TIMING OR CHANGEABLE PROGRAMMING MEANS:

(under the class definition) Apparatus which is provided with control means for storing coded instructions or other data necessary to regulate operation of the separation apparatus or causing various operations to occur according to preset timing sequences or to last for predetermined durations (e.g., timer switches, etc.).

(1) Note. The control means is not directly responsive to a sensed condition.