US PATENT SUBCLASS 285 / 53
.~.~.~ Sleeve

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

45  DF  WITH CASING, LINING OR PROTECTOR {3}
47  DF  .~ Insulated {1}
48  DF  .~.~ Between serially connected parts {4}
53.~.~.~ Sleeve

DEFINITION

Classification: 285/53

(under subclass 48) Subject matter comprising a sleeve joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

369+, for a packed sleeve.