US PATENT SUBCLASS 92 / 244
.~.~.~.~ Lips formed on separable elements

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}
242  DF  .~.~ Plural axially spaced lips {1}
243  DF  .~.~.~ Oppositely facing {1}
244.~.~.~.~ Lips formed on separable elements

DEFINITION

Classification: 92/244

(under subclass 243) Apparatus in which each of the axially spaced oppositely facing lips is formed on separate independent members, which members are secured together by means which allow separation of the members from each other without in any way destroying or permanently deforming the members or the means for forming the members.