US PATENT SUBCLASS 285 / 52
.~.~.~.~ Screw thimble

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}
50  DF  .~.~.~ By intermediate joint {2}
52.~.~.~.~ Screw thimble

DEFINITION

Classification: 285/52

(under subclass 50) Subject matter wherein the intermediate joint comprises a flanged nut or internally threaded thimble with an inwardly extending flange or its equivalent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

354, for a packed screw thimble joint.