US PATENT SUBCLASS 160 / 273.1
.~.~.~.~.~ With interlock between fabric and guide

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

238  DF  ROLL TYPE {12}
266  DF  .~ With guides or fabric edge holders {3}
268.1  DF  .~.~ Fabric side edge {2}
270  DF  .~.~.~ Slot or channel type {1}
271  DF  .~.~.~.~ Fabric receiving {2}
273.1.~.~.~.~.~ With interlock between fabric and guide

DEFINITION

Classification: 160/273.1

With interlock between fabric and guide:

(under subclass 271) Roll type device in which there is a slidable interlock between the fabric edge and the guide slot or channel whereby the fabric edge is prevented form separating laterally from the guide slot or channel under the influence of ordinary forces.