US PATENT SUBCLASS 285 / FOR 123
.~.~.~ Radially movable support ring (split ring type) (285/141)

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

FOR 100  DF  SYSTEMS (285/120) {11}
FOR 120  DF  .~ Inner to spaced outer tube coupling (285/138) {2}
FOR 122  DF  .~.~ Suspended (e.g., oil well casing type) (285/140) {3}
FOR 123.~.~.~ Radially movable support ring (split ring type) (285/141)

DEFINITION

Classification: 285/FOR.123

Foreign art collection wherein the inner tube is supported on the outer tube by means of a radially expansible member, e.g., a split ring.