US PATENT SUBCLASS 285 / 331
.~ Annular socket

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

328  DF  PARTICULAR INTERFACE {4}
331.~ Annular socket

DEFINITION

Classification: 285/331

(under subclass 328) Subject matter wherein the joint interface of one member comprises an annular socket or recess means for the reception of a distinct intermediate annular projection on the other member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

336, for supplemental packing sockets for joints with an annular socket in each member with cooperating gasket therebetween.

SEE OR SEARCH CLASS

403, Joints and Connections,

332, for other joints involving an annular recess.