US PATENT SUBCLASS 285 / 145.4
.~.~ Sleeve

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

144.1  DF  SERIAL,RELATIVELY MOVABLE PORTIONS {4}
145.1  DF  .~ Having telescoping portion {3}
145.4.~.~ Sleeve {1}
145.5  DF  .~.~.~> Bellows-type

DEFINITION

Classification: 285/145.4

Sleeve:

(under subclass 145.1) Subject matter including an encasement of the portion of the unit wherein two members are joined.