US PATENT SUBCLASS 277 / FOR 139
.~ Radial wall(277/137)

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

FOR 138  DF  WITH ANTIROTATION KEY OR ANCHOR (277/136) {1}
FOR 139.~ Radial wall(277/137)

DEFINITION

Classification: 277/FOR.139

Foreign art collections wherein the key or anchor engages a radial wall of the packing seat.