US PATENT SUBCLASS 415 / 197
.~.~ Nonmetallic material

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

182.1  DF  WORKING FLUID PASSAGE OR DISTRIBUTING MEANS ASSOCIATED WITH RUNNER (E.G., CASING, ETC.) {24}
196  DF  .~ Passage or casing attached removable liner or wear member {1}
197.~.~ Nonmetallic material

DEFINITION

Classification: 415/197

(under subclass 196) Apparatus in which the member is made of a nonmetallic material.