US PATENT SUBCLASS 285 / 179.1
.~ With access opening


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

179  DF  ELBOW {5}
179.1.~ With access opening {1}
179.2  DF  .~.~> Sheet-metal


DEFINITION

Classification: 285/179.1

With access opening:

(under subclass 179) Subject matter having 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.