US PATENT SUBCLASS 277 / FOR 218
.~ Opposite surfaces (277/211)

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

FOR 214  DF  RIBBED CONTACT SURFACE (277/207 R) {3}
FOR 218.~ Opposite surfaces (277/211)

DEFINITION

Classification: 277/FOR.218

Foreign art collections wherein the ribs are on opposite sides of the packing element.