US PATENT SUBCLASS 285 / 98
.~ Swivel with flange in socket

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

95  DF  WITH FLUID PRESSURE SEAL {11}
98.~ Swivel with flange in socket

DEFINITION

Classification: 285/98

(under subclass 95) Subject matter comprising a flanged pipe positioned in a socket, said flange being locked axially.

SEE OR SEARCH THIS CLASS, SUBCLASS:

278+, for similar structure without fluid pressure seal.