US PATENT SUBCLASS 108 / 90
.~ Detachable enlarging or substitute surface

Current as of: June, 1999
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108 /   HD   HORIZONTALLY SUPPORTED PLANAR SURFACES

59  DF  PLURAL RELATED HORIZONTAL SURFACES {11}
90.~ Detachable enlarging or substitute surface

DEFINITION

Classification: 108/90

(under subclass 59) Device wherein an auxiliary surface may be removably secured in a covering relationship to a primary surface.

(1) Note. Included in this subclass are table covers, per se.

SEE OR SEARCH THIS CLASS, SUBCLASS:

69+, for a surface adapted to be increased in area by addition to its end.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles, various subclasses for sheet material which may be used as a cover.