| |
Class Information
Number: 40/112
Name: Card, picture, or sign exhibiting > Calendars > Rotatable > Clutch take-up
Description: Calendars comprising one or more rotatable charactered parts placed back of openings in the face of a suitable support, so that the characters may be observed through such openings, and suitable clutch mechanism whereby such charactered parts may be rotated.
Patents under this class:
|
|
|
