US3109100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive currency testing device
Assignee: Automatic Canteen Co
•
Filing: 1960-05-19
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Granted: 1963-10-29
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Expires: 1980-05-19
Abstract
No abstract record available.
Inventors
- 👤 Norbert A Gecewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:21
CPC Classifications
G; G07; G07D; G07D7/00; G07D7/06; G07D7/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A CURRENCY TESTING ARRANGEMENT FOR DETERMINING THE VALIDITY OF A CURRENCY NOTE HAVING A PLURALITY OF RELATIVELY DIFFERENT COLORED AREAS COMPRISING, MEANS FOR PASSING LIGHT THROUGH SAID NOTE, PHOTO-RESPONSIVE MEANS INDIVIDUAL TO EACH DIFFERENTLY COLORED AREA OF SAID NOTE, MEANS OPERATED BY SAID RESPECTIVE PHOTO-RESPONSIVE MEANS ON THE PASSAGE OF MORE THAN A PREDETERMINED MINIMUM AMOUNT OF LIGHT THROUGH A DARK AREA OF SAID NOTE TO GIVE AN INDICATION THAT SAID NOTE IS VALID, AND MEANS CONTROLLED BY SAID RESPECTIVE PHOTO-RESPONSIVE MEANS IF MORE THAN
References Cited (Backward Citations)
US2381505A
Cited
US2950799A
Cited
US2801343A
Cited
US2922893A
Cited
US2957387A
Cited
US2967452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |