US PATENT SUBCLASS 188 / 278
.~.~.~ Manually adjustable

Current as of: June, 1999
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188 /   HD   BRAKES

266  DF  INTERNAL-RESISTANCE MOTION RETARDER {29}
276  DF  .~ With means compensating for change in temperature or viscosity {1}
277  DF  .~.~ Thermostatic valve type {1}
278.~.~.~ Manually adjustable

DEFINITION

Classification: 188/278

(under subclass 277) Device wherein modification in size of the passage by said element is further regulated by manipulation of the element by a person using the device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

309, and 310, for an oscillating or reciprocating shock absorber having a manually adjustable valve.