US PATENT SUBCLASS 144 / 397
.~.~.~ Sensing lead end or tail end

Current as of: June, 1999
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144 /   HD   WOODWORKING

382  DF  WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR {6}
391  DF  .~ Including plural sensors or sensor responsive to comparison between plural conditions {2}
392  DF  .~.~ Sensing work or product (e.g., by X-ray) {7}
397.~.~.~ Sensing lead end or tail end

DEFINITION

Classification: 144/397

Sensing lead end or tail end:

(under subclass 392) Subject matter including detecting the forward edge or the trailing edge of moving work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

388, 407 and 414, for other sensing of the lead end or tail end of work or product.