US PATENT SUBCLASS 285 / 318
.~ Coil spring

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

305  DF  ESSENTIAL CATCH {7}
318.~ Coil spring

DEFINITION

Classification: 285/318

(under subclass 305) Subject matter comprising a contractible coil in a sleeve or socket that grip a spigot therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

244, for a spring hose clamp.