US PATENT SUBCLASS 160 / 250
.~.~.~ Extensible roller and/or roll support

Current as of: June, 1999
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160 /   HD   FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL

238  DF  ROLL TYPE {12}
242  DF  .~ Shiftable position roll {2}
246  DF  .~.~ Straight line non-axial translation in fabric plane only {7}
250.~.~.~ Extensible roller and/or roll support

DEFINITION

Classification: 160/250

(under subclass 246) Roll type devices in which (1) the roller itself is extensible or (2) the immediate support for the roll is extensible to take rolls of different lengths or (3) both.

SEE OR SEARCH THIS CLASS, SUBCLASS:

64, and the subclasses there noted for other changeable size devices in the class.

263, for extensible roller structures.