US PATENT SUBCLASS 160 / 374
.~.~ Double extensible

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}
374.~.~ Double extensible {1}
374.1  DF  .~.~.~> Expandable at corner joint (e.g., artists's canvas stretcher frame)

DEFINITION

Classification: 160/374

(under subclass 372) Framed type devices in which the overall size may be changed both laterally and longitudinally of the frame.

SEE OR SEARCH THIS CLASS, SUBCLASS:

221, for plural strip, slat and panel units which are doubly extensible.

SEE OR SEARCH CLASS

38, Textiles: Ironing or Smoothing,

102.5+, for a cloth stretcher frame in which the overall size may be changed both laterally and longitudinally of the frame.