US PATENT SUBCLASS 123 / 188.2
.~.~ Poppet

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

188.1  DF  VALVE {10}
188.4  DF  .~ Reciprocating valve {3}
188.2.~.~ Poppet {2}
188.16  DF  .~.~.~> Pivoted
188.3  DF  .~.~.~> Material or structure

DEFINITION

Classification: 123/188.2

Poppet:

(under subclass 188.4) Apparatus wherein the valve head has a flat disk shape on the end of a vertically set stem.