US PATENT SUBCLASS 340 / 667
.~.~.~.~ On seat

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
665  DF  .~.~ Force or stress {2}
666  DF  .~.~.~ Weight {1}
667.~.~.~.~ On seat

DEFINITION

Classification: 340/667

On seat:

(under subclass 666) Subject matter wherein the sensor responds to weight upon the weight bearing surface of a seat.

SEE OR SEARCH THIS CLASS, SUBCLASS:

438, and 457.1, for this subject matter in a vehicle.