US PATENT SUBCLASS 285 / 75
.~.~.~.~ Reciprocating conduit

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

65  DF  IDENTICAL HALVES (E.G., TRAIN LINE TYPE) {4}
70  DF  .~ Longitudinal port {2}
73  DF  .~.~ Integral hook {2}
74  DF  .~.~.~ Oscillating engagement {2}
75.~.~.~.~ Reciprocating conduit

DEFINITION

Classification: 285/75

(under subclass 74) Subject matter wherein the member reciprocates with respect to a coupling head and includes means to force the member toward coupling position.