US PATENT SUBCLASS 285 / 360
.~.~ Lugged pipe, rotary engagement

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

335  DF  PACKED {20}
358  DF  .~ Cam {2}
360.~.~ Lugged pipe, rotary engagement {2}
361  DF  .~.~.~> Bayonet slot
362  DF  .~.~.~> With manipulating ring

DEFINITION

Classification: 285/360

(under subclass 358) Subject matter wherein one member has a lateral projection adapted to engage a projection or recess in the other member when rotated on its axis to hold the members in coupled relation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

73, for duplicate end couplings having rotary engagement.

307, for a coupling with an essential catch operated by conduit motion.

376+, and 401+, for similar structure except for the cam surfaces.

391+, for interrupted thread-type couplings.