US PATENT SUBCLASS 277 / FOR 160
.~.~ Incompatible shapes (277/158)

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 159  DF  .~ Periphery engaging spring (277/157) {3}
FOR 160.~.~ Incompatible shapes (277/158) {3}
FOR 161  DF  .~.~.~> Radially extending tongues (277/159)
FOR 162  DF  .~.~.~> Wave or undulate (277/160)
FOR 163  DF  .~.~.~> Polygonal (277/161)

DEFINITION

Classification: 277/FOR.160

Foreign art collections wherein the spring and packing are of diverse peripheral shape.