US PATENT SUBCLASS 285 / 138.1
.~ Ball and socket

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

136.1  DF  PIPE TO DISCREET NIPPLE OR SLEEVE TO PLATE (I.E., THREE SUCCESSIVE PIECES) {7}
138.1.~ Ball and socket

DEFINITION

Classification: 285/138.1

Ball and socket:

(under subclass 136.1) Subject matter wherein the pipe to plate joint comprises a spheroidal knoblike portion fitted into a mating depression.

SEE OR SEARCH THIS CLASS, SUBCLASS:

261, for a ball and socket joint between pipe ends.

SEE OR SEARCH CLASS

362, Illumination,

421, for this type of joint in a head lamp and bulkhead combination.

411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener,

370, for a threaded fastener and nut provided with a stay bolt bearing washer.