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Class Information
Number: 194/331
Name: Check-actuated control mechanisms > Including means to test validity of check > Having means to test surface configuration > Serrated edge
Description: Apparatus wherein the testing means includes a device adapted to determine the presence of a series of grooves in the check"s rim.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7185750 |
Coin distinguishing method and device |
Mar. 6, 2007 |
| 6785412 |
Coin-type determining device |
Aug. 31, 2004 |
| 5839563 |
Coin discriminating apparatus |
Nov. 24, 1998 |
| 5797475 |
Coin validation |
Aug. 25, 1998 |
| 5383546 |
Device for the detection of a foreign body in a coin channel |
Jan. 24, 1995 |
| 5236074 |
Method and a means for recognizing a coin |
Aug. 17, 1993 |
| 4681204 |
Device for counting and sorting coins belonging to a set of coins |
Jul. 21, 1987 |
| 4271952 |
Serration detector |
Jun. 9, 1981 |
| 4172222 |
Optoelectric coin edge testing device |
Oct. 23, 1979 |
| 4143750 |
Serration detector |
Mar. 13, 1979 |
| 4089400 |
Coin testing device |
May. 16, 1978 |
| 4000800 |
Electromechanical interlock device for a vending machine |
Jan. 4, 1977 |
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