US PATENT SUBCLASS 33 / 798
.~.~.~.~.~ Center pivot

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

700  DF  DISTANCE MEASURING {13}
783  DF  .~ Opposed contacts {10}
792  DF  .~.~ Rotary indicator {4}
794  DF  .~.~.~ Hand held implement {3}
797  DF  .~.~.~.~ Pivoted type {1}
798.~.~.~.~.~ Center pivot {3}
799  DF  .~.~.~.~.~.~> With screw or gear adjustment means
800  DF  .~.~.~.~.~.~> With spring adjustment means
801  DF  .~.~.~.~.~.~> With scale

DEFINITION

Classification: 33/798

Center pivot:

(under subclass 797) Subject matter having two contact members and wherein the pivot point is on a line median of the members.