US PATENT SUBCLASS 340 / 665
.~.~ Force or stress
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
.~.~ Force or stress {2}
666
DF
.~.~.~
> Weight {1}
668
DF
.~.~.~
> Tension
DEFINITION
Classification: 340/665
Force or stress:
(under subclass 540) Subject matter where the condition is a mechanical force or stress.
SEE OR SEARCH CLASS
73, Measuring and Testing,
760+, for stress measurement; and subclasses 862.381+ for force measurement.