US PATENT SUBCLASS 285 / 284.1
WITH ACCESS OPENING


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

284.1WITH ACCESS OPENING


DEFINITION

Classification: 285/284.1

WITH ACCESS OPENING:

(under the class definition) Subject matter including an opening with a closure or having one or more separable parts which permit access to the interior thereof without disassembly of the joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

62+, for an access opening to permit insertion or removal of a wear element.

SEE OR SEARCH CLASS

137, Fluid Handling,

583+, for a fluid handling system with an access opening.

138, Pipes and Tubular Conduits,

89+, for pipe closures. 220, Receptacles,

200+, for analogous closures for receptacles and of general utility.