US PATENT SUBCLASS 285 / 408
.~.~.~ With intermediate flange engaging member

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

405  DF  FLANGE {3}
406  DF  .~ Clamped {3}
407  DF  .~.~ Band type {3}
408.~.~.~ With intermediate flange engaging member

DEFINITION

Classification: 285/408

(under subclass 407) Devices which include an additional element between the clamping band and the external surfaces of the flanges.