US PATENT SUBCLASS 73 / 514.13
.~.~.~.~ Gas

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

488  DF  SPEED, VELOCITY, OR ACCELERATION {29}
514.01  DF  .~ Acceleration determination utilizing inertial element {8}
514.05  DF  .~.~ Fluid or fluent material {4}
514.12  DF  .~.~.~ Fluid or fluent material dampening of an inertial element {1}
514.13.~.~.~.~ Gas

DEFINITION

Classification: 73/514.13

Gas:

(under subclass 514.12) Subject matter wherein the fluid dampener comprises a substance having a very low density and viscosity, a rather low expansion and contraction with changes in pressure and temperature, the ability to diffuse rapidly, and the spontaneous tendency to become distributed uniformly throughout a container.