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Class Information
Number: 434/110
Name: Education and demonstration > Business or economics > Coin or currency identification or counterfeit detection
Description: Subject matter relating to instruction in the relative value of different denominations of money or in recognizing bogus currency.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE38663 |
Method for semi-continuous currency processing using separator cards |
Nov. 30, 2004 |
| 6731785 |
Currency handling system employing an infrared authenticating system |
May. 4, 2004 |
| 6224381 |
Educating special needs children about money |
May. 1, 2001 |
| 5917930 |
Method for semi-continuous currency processing using separator cards |
Jun. 29, 1999 |
| 5347473 |
Coin counting calculator |
Sep. 13, 1994 |
| 5055834 |
Adjustable bill-damage discrimination system |
Oct. 8, 1991 |
| 4959017 |
Electronic learning device for teaching how to handle money |
Sep. 25, 1990 |
| 4776797 |
Coin cue device and method for aiding the handicapped |
Oct. 11, 1988 |
| 4775321 |
System for teaching money values |
Oct. 4, 1988 |
| 4752227 |
Educational game and method of playing the game |
Jun. 21, 1988 |
| 4571189 |
System for teaching coin relationships |
Feb. 18, 1986 |
| 4521197 |
Money calculation game |
Jun. 4, 1985 |
| 4427389 |
Toy coin changer |
Jan. 24, 1984 |
| 4354682 |
Method and apparatus for enhancing the twelve coin balancing puzzle |
Oct. 19, 1982 |
| 4331427 |
Educational time teaching device |
May. 25, 1982 |
| 4195423 |
Pop-up cash register |
Apr. 1, 1980 |
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