US PATENT SUBCLASS 160 / 232
.~.~.~ Hollow, filled, or covered elements

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}
218  DF  .~ Movably interconnected {4}
229.1  DF  .~.~ Edge-to-edge interconnected {5}
232.~.~.~ Hollow, filled, or covered elements

DEFINITION

Classification: 160/232

(under subclass 229.1) Devices in which the elements have any one or any combination of the following features: (1) are of hollow form, (2) are of hollow form with filling material or (3) are in two or more layers, i.e., the basic element has some character of covering material thereon. Fabric filled frames are not considered to be in layers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

179, for plural fabrics for single frames.

SEE OR SEARCH CLASS

109, Safes, Bank Protection, or a Related Device, appropriate subclasses.