US PATENT SUBCLASS 160 / 376
.~.~.~ With spring thrust

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

371  DF  FRAMED TYPE {6}
372  DF  .~ Adjustable frame size {3}
375  DF  .~.~ Shiftable edge bar section only {1}
376.~.~.~ With spring thrust

DEFINITION

Classification: 160/376

(under subclass 375) Framed type devices having spring means to bias the shiftable side bar section.