US PATENT SUBCLASS 340 / 691.7-- .~.~ Mechanical

US PATENT SUBCLASS 340 / 691.7
.~.~ Mechanical

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

500	DF	CONDITION RESPONSIVE INDICATING SYSTEM {6}
691.1	DF	.~ Specified indicator structure {7}
691.7		.~.~ Mechanical

DEFINITION

Classification: 340/691.7

Mechanical:

(under subclass 691.1) Subject matter where the humanly perceptible signal, while controlled by electrical means, is itself nonelectrical in nature.

(1) Note. For example, a deployable flag or balloon, or the release of fluent material is included.

SEE OR SEARCH THIS CLASS, SUBCLASS:

815.83, for a generic movable visual indication.

SEE OR SEARCH CLASS

116, Signal and Indicators, appropriate subclasses for a mechanical indicator without electrical control circuitry.