US PATENT SUBCLASS 73 / 817
.~.~.~ Motor driven actuating screw

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

760  DF  SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION {12}
788  DF  .~ By loading of specimen (e.g., strength of material test) {16}
806  DF  .~.~ Varied according to predetermined pattern {4}
817.~.~.~ Motor driven actuating screw

DEFINITION

Classification: 73/817

Motor driven actuating screw:

(under subclass 806) Subject matter wherein the load is applied to the specimen by a device driven by a motor-screw combination.