US PATENT SUBCLASS 267 / 123
.~.~.~ For valve or throttle control

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

113  DF  FLUID {5}
118  DF  .~ Expansible-contractible chamber device {5}
122  DF  .~.~ Diaphragm or bellows {1}
123.~.~.~ For valve or throttle control

DEFINITION

Classification: 267/123

(under subclass 122) Spring device useful for affecting the operation of either a liquid-flow regulator or means for controlling the air-fuel mixture of an internal combustion engine.