US PATENT SUBCLASS 285 / 185
.~ With center bolt

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

184  DF  ADJUSTABLE ANGLE {1}
185.~ With center bolt

DEFINITION

Classification: 285/185

(under subclass 184) Devices wherein the pipes are held in adjusted relationship by a bolt extending across the joint through the flow line.

SEE OR SEARCH THIS CLASS, SUBCLASS:

191, for a pipe-to-plate coupling including a center bolt.

272.1, for a hollow center bolt in a swivel joint having an access opening.