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Class Information
Number: 40/111
Name: Card, picture, or sign exhibiting > Calendars > Rotatable
Description: Calendars comprising charactered rollers mounted to rotate in a suitable frame, so as to present different characters as the rollers are rotated.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6826857 |
Perpetual calendar |
Dec. 7, 2004 |
| 6615626 |
Lock device having rotatable identification brand |
Sep. 9, 2003 |
| 6550165 |
Perpetual calendar wall display device having rotatable calendar days |
Apr. 22, 2003 |
| 5950338 |
Cylinder-type perpetual calendar assembly |
Sep. 14, 1999 |
| 5903990 |
Chinese sexagenary cycle calendar |
May. 18, 1999 |
| 5832640 |
Calendric device with sensible indicia |
Nov. 10, 1998 |
| 5581920 |
Perpetual calendar |
Dec. 10, 1996 |
| 5485692 |
Multiple year calendar |
Jan. 23, 1996 |
| 4878845 |
Device for encouraging children to brush their teeth regularly |
Nov. 7, 1989 |
| 4551620 |
Biorhythms analog computer-calendar |
Nov. 5, 1985 |
| 4542604 |
Apparatus for storing a plurality of signs and automatically displaying said signs at predetermined timed intervals |
Sep. 24, 1985 |
| 4393611 |
Perpetual calendar |
Jul. 19, 1983 |
| 4376346 |
Perpetual calendar |
Mar. 15, 1983 |
| 4308678 |
Two-date reminder |
Jan. 5, 1982 |
| 4171610 |
Calendar watch movement |
Oct. 23, 1979 |
| 4041628 |
Apparatus for visually registering indicia |
Aug. 16, 1977 |
| 4031642 |
Automatic calendar |
Jun. 28, 1977 |
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