US PATENT SUBCLASS 285 / 377
.~.~.~ With manipulating ring

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

335  DF  PACKED {20}
374  DF  .~ Socket {2}
376  DF  .~.~ Lugged pipe, rotary engagement {1}
377.~.~.~ With manipulating ring

DEFINITION

Classification: 285/377

(under subclass 376) Subject matter wherein one of the members has a rotatable ring mounted thereon, the ring carrying the projection or recess, whereby the coupling is effected by rotation of the ring.

SEE OR SEARCH THIS CLASS, SUBCLASS:

362, for similar structure including a cam means for drawing the members together.

387+, for a removable screw thimble.