US PATENT SUBCLASS 277 / FOR 154
.~ Axial lip or boss (277/152)

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

FOR 140  DF  WITH DISTINCT RADIALLY ACTING BIAS(277/138) {16}
FOR 154.~ Axial lip or boss (277/152) {1}
FOR 155  DF  .~.~> Exposed coil spring (277/153)

DEFINITION

Classification: 277/FOR.154

Foreign art collections wherein the bias means acts directly on a lip or boss extending axially of the seat engaging part of the packing.