US PATENT SUBCLASS 285 / 420
CLAMP

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

420CLAMP {1}
421  DF  .~> Wedge

DEFINITION

Classification: 285/420

(under the class definition) Subject matter comprising miscellaneous joints including clamps not otherwise provided for.

SEE OR SEARCH THIS CLASS, SUBCLASS:

194, for pipe to plate joints with hole edge clamps.

236, for a clamped resilient sleeve type flexible joint between rigid members.

242+, for an external clamp in a nonmetal to metal coupling.

322, for a contractible socket type coupling.

337, for joints with external packing and clamping means. 364+, for flanged pipes including packing and clamping means.

373+, for packed longitudinally split sleeves.

406+, for flanged pipes including clamping means.

407+, for a clamped flanged joint.

419, for longitudinally split sleeves.