US PATENT SUBCLASS 277 / FOR 231
.~ With joining structure (277/220)


Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

FOR 227  DF  SPLIT ANNULUS (227/216) {4}
FOR 231.~ With joining structure (277/220) {2}
FOR 232  DF  .~.~> End-to-end tongue and slot (277/221)
FOR 233  DF  .~.~> Beveled or arcuate mating surfaces (277/222)


DEFINITION

Classification: 277/FOR.231

Foreign art collections comprising means for joining the opposed ends of the packing element.