US PATENT SUBCLASS 123 / 188.11
.~ Wear feature

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

188.1  DF  VALVE {10}
188.11.~ Wear feature {1}
188.12  DF  .~.~> For spring {1}

DEFINITION

Classification: 123/188.11

Wear feature:

(under subclass 188.1) Apparatus wherein a feature or means is provided to compensate for changes or deterioration of a valve component or accessory caused by prolonged use.