US PATENT SUBCLASS 285 / 190
.~ Swivel with lateral port to annular sleeve

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

189  DF  END TO SIDE OR PLATE (E.G., REINFORCEMENT) {11}
190.~ Swivel with lateral port to annular sleeve

DEFINITION

Classification: 285/190

(under subclass 189) Subject matter comprising a swivel having a lateral port in communication with an annular opening in a surrounding sleeve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

272+, for a swivel with longitudinal ports.

SEE OR SEARCH CLASS

279, Chucks or Sockets,

20, for a socket type fluid-conduit drill holding means.