US PATENT SUBCLASS 73 / 504.13
.~.~.~ Hollow circular-shaped inertial element

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

488  DF  SPEED, VELOCITY, OR ACCELERATION {29}
504.02  DF  .~ Angular rate using gyroscopic or Coriolis effect {4}
504.12  DF  .~.~ Vibratory mass {3}
504.13.~.~.~ Hollow circular-shaped inertial element

DEFINITION

Classification: 73/504.13

Hollow circular-shaped inertial element:

(under subclass 504.12) Subject matter wherein the inertial member comprises an object having an annular-cross section.