US PATENT SUBCLASS 285 / 287.1
.~ With root repellent


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

285.1  DF  MOLDED JOINT {11}
287.1.~ With root repellent


DEFINITION

Classification: 285/287.1

With root repellent:

(under subclass 285.1) Subject matter including means to inhibit or resist the growth of vegetative roots between the members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

45+, for a coupling with a casing, lining or protector.

SEE OR SEARCH CLASS

138, Pipes and Tubular Conduits,

90, for similar structure in test plug combinations.

215, Bottles and Jars,

52+, for expansible stopper type closures. 220, Receptacles,

233, for an expansible plug closure.