US PATENT SUBCLASS 340 / 683
.~.~.~ Vibration

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}
679  DF  .~.~ Machine condition {6}
683.~.~.~ Vibration

DEFINITION

Classification: 340/683

Vibration:

(under subclass 679) Subject matter where the condition is a vibration.

SEE OR SEARCH THIS CLASS, SUBCLASS:

566, for intrusion vibration responsive systems.

SEE OR SEARCH CLASS

73, Measuring and Testing,

570+, for vibration measurement and testing.