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Class Information
Number: 40/109
Name: Card, picture, or sign exhibiting > Calendars > Charactered slide
Description: Calendars embodying a charactered plate or sliding part which slides back of one or more openings in a suitable support to disclose a number of characters therethrough or which slides upon the face of a charactered support to shift certain of the characters on the sliding part opposite certain other characters upon the support to bring into proper relation the names of the days of the week and the corresponding numbers of the days of the month for any desired month.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7481012 |
Perpetual calendar system and method of use thereof |
Jan. 27, 2009 |
| 7029034 |
Calendar kit and apparatus for behavior modification and a method for using the same |
Apr. 18, 2006 |
| 6877262 |
Perpetual calendar |
Apr. 12, 2005 |
| 5787745 |
Key-chain with annual calendar |
Aug. 4, 1998 |
| 5601187 |
Duplicate notepaper case |
Feb. 11, 1997 |
| 5564361 |
Clothing usage indicator |
Oct. 15, 1996 |
| 5457903 |
Perpetual mechanical calendar |
Oct. 17, 1995 |
| 5222052 |
Time breaker |
Jun. 22, 1993 |
| 5195262 |
Calendar |
Mar. 23, 1993 |
| 5177713 |
Motorized slide stick calendar |
Jan. 5, 1993 |
| 4828290 |
Perpetual calendar which utilizes seven month tables and methods of constructing and using the same |
May. 9, 1989 |
| 4656765 |
Apparatus for bedding control in health care institutions |
Apr. 14, 1987 |
| 4608772 |
Marker |
Sep. 2, 1986 |
| 4567680 |
Perma desk calendar |
Feb. 4, 1986 |
| 4565023 |
Indicia display means |
Jan. 21, 1986 |
| 4484402 |
Calendar |
Nov. 27, 1984 |
| 4418274 |
Slide rule - calendar |
Nov. 29, 1983 |
| 4381614 |
Calendar |
May. 3, 1983 |
| 4376346 |
Perpetual calendar |
Mar. 15, 1983 |
| 4358906 |
Calendar |
Nov. 16, 1982 |
| RE30959 |
Scheduling board |
Jun. 8, 1982 |
| 4321763 |
Magnetic calendar holder |
Mar. 30, 1982 |
| 4285147 |
Universal apparatus for evaluating calendar data |
Aug. 25, 1981 |
| 4275516 |
Permanent calendar construction |
Jun. 30, 1981 |
| 4251935 |
Perpetual calendar |
Feb. 24, 1981 |
| 4228604 |
Biorhythmic device |
Oct. 21, 1980 |
| 4221064 |
Device for displaying indicia |
Sep. 9, 1980 |
| 4187629 |
Perpetual and multi-year calendars |
Feb. 12, 1980 |
| 4171584 |
Sign assembly |
Oct. 23, 1979 |
| 4155326 |
Mine safety inspection indicator |
May. 22, 1979 |
| 4142311 |
Permanent calendar |
Mar. 6, 1979 |
| 4140895 |
Biorhythm scale |
Feb. 20, 1979 |
| 4136473 |
Manually adjustable indicating device |
Jan. 30, 1979 |
| 4075774 |
Perpetual calendar |
Feb. 28, 1978 |
| 3991499 |
Variable calendar |
Nov. 16, 1976 |
| 3984107 |
Game master board |
Oct. 5, 1976 |
| 3936966 |
Perpetual calendars |
Feb. 10, 1976 |
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