US PATENT SUBCLASS 277 / FOR 167
.~ Nonmetallic (277/165)

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 167.~ Nonmetallic (277/165)

DEFINITION

Classification: 277/FOR.167

Foreign art collections wherein the means for biasing the packing is made of a nonmetallic material.