US PATENT SUBCLASS 285 / 315
.~.~.~ Reciprocating sleeve

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

305  DF  ESSENTIAL CATCH {7}
308  DF  .~ With manipulator {4}
314  DF  .~.~ Cam sleeve {1}
315.~.~.~ Reciprocating sleeve {1}
316  DF  .~.~.~.~> Spring-biased sleeve

DEFINITION

Classification: 285/315

(under subclass 314) Subject matter wherein the sleeve reciprocates.