US PATENT SUBCLASS 345 / 435
.~.~ Merge/overlay

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

418  DF  COMPUTER GRAPHICS PROCESSING {9}
433  DF  .~ Object processing {6}
435.~.~ Merge/overlay

DEFINITION

Classification: 345/435

Merge/overlay:

(under subclass 433) Subject matter including two or more overlapping s:graphic objects.

SEE OR SEARCH THIS CLASS, SUBCLASS:

421, for determining whether a portion of an object is hidden or covered by another object.