US PATENT SUBCLASS 40 / 115
.~.~.~ Disk


Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

107  DF  CALENDARS {10}
111  DF  .~ Rotatable {3}
114  DF  .~.~ Single axis {1}
115.~.~.~ Disk


DEFINITION

Classification: 40/115

Calendars comprising several charactered disks of different sizes mounted concentrically to turn a single axis. The disks may be upon the face of a suitable support and present rings of characters, or they may be upon the rear of the support, and the characters exposed through suitable sight-openings.