US PATENT SUBCLASS 277 / FOR 141
.~ Unitary packing spacer and bias means (277/139)

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 141.~ Unitary packing spacer and bias means (277/139) {1}
FOR 142  DF  .~.~> U-section (277/140)

DEFINITION

Classification: 277/FOR.141

Foreign art collections wherein the bias means is a spacer or holder for axially spaced packing members.