US PATENT SUBCLASS 108 / 66
.~.~ Circular segment

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

59  DF  PLURAL RELATED HORIZONTAL SURFACES {11}
65  DF  .~ Coplanar extension surface {4}
66.~.~ Circular segment

DEFINITION

Classification: 108/66

(under subclass 65) Device wherein the addition comprises a section which increases the effective surface area while either (1) retaining a generally circular form of the main surface, or (2) providing a generally circular form for the whole surface area.