US PATENT SUBCLASS 418 / 154
.~.~ Partition integral with working member

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

152  DF  NON-METALLIC WORKING MEMBER, CYLINDER OR PARTITION {1}
153  DF  .~ Resilient {1}
154.~.~ Partition integral with working member {1}
155  DF  .~.~.~> Extending from working member side

DEFINITION

Classification: 418/154

(under subclass 153) Apparatus in which the working member is provided with a vane member thereon, the working member and the vane member comprising a resilient impartible unit of manufacture.