US PATENT SUBCLASS 285 / 229
.~.~ Single fold type

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

223  DF  FLEXIBLE JOINT, RIGID MEMBERS {6}
226  DF  .~ Bellows {2}
229.~.~ Single fold type

DEFINITION

Classification: 285/229

(under subclass 226) Devices in which the bellows comprises a single annular fold or ridge with side walls.