US PATENT SUBCLASS 138 / 89.3
.~.~ Air cap

Current as of: June, 1999
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138 /   HD   PIPES AND TUBULAR CONDUITS

89  DF  WITH CLOSURES AND PLUGS {7}
*  DD  .~ Inflation stem type {3}
89.3.~.~ Air cap

DEFINITION

Classification: 138/89.3

(under subclass 89) Closures for pipes of the inflation stem type comprising air caps.

SEE OR SEARCH CLASS

152, Resilient Tires and Wheels,

431, for combined caps and deflating tools.