US PATENT SUBCLASS 160 / 136
.~ Parallelogram type

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

130  DF  PLURAL STRIP, SLAT, OR PANEL TYPE {11}
136.~ Parallelogram type {6}
137  DF  .~.~> Plural differently movable parallelogram section with a common side
138  DF  .~.~> With operator {1}
152  DF  .~.~> With means to hold unit in partially collapsed or collapsed position {3}
159  DF  .~.~> Unit collapsing on guides
160  DF  .~.~> Unit pivoted to support
161  DF  .~.~> Unit structures {1}

DEFINITION

Classification: 160/136

(under subclass 130) Devices wherein two intersecting sets of parallel strips, slats or panels are interconnected by pivots at their intersections.

(1) Note. The parallelogram type of device may be a mere operator for another type of plural strip, slat or panel device.