US PATENT SUBCLASS 92 / 241
.~.~ With embedded reinforcing means in lip portion (254)

Current as of: June, 1999
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92 /   HD   EXPANSIBLE CHAMBER DEVICES

172  DF  PISTON {19}
240  DF  .~ Side wall portion includes peripheral axially extending flexible lip {4}
241.~.~ With embedded reinforcing means in lip portion (254)

DEFINITION

Classification: 92/241

(under subclass 240) Apparatus including an element of a material other than the material forming the lip, said element being embedded in the axially extending lip for reinforcing the same.

SEE OR SEARCH THIS CLASS, SUBCLASS:

254, for a piston having a flexible nonmetallic portion provided with embedded reinforcing means.