US PATENT SUBCLASS 403 / 297
.~ Expansible section

Current as of: June, 1999
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403 /   HD   JOINTS AND CONNECTIONS

292  DF  MEMBER ENDS JOINED BY INSERTED SECTION {6}
297.~ Expansible section

DEFINITION

Classification: 403/297

(under subclass 292) Structure wherein the section is radially expansible into engagement with the openings.