US3712973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual speed machine handling magnetically striped cards and cards therefor
Assignee: Bell and Howell Co
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Filing: 1970-08-27
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Granted: 1973-01-23
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Expires: 1990-08-27
Abstract
Abstract DISCLOSED IS A NOVEL INFORMATION CARD HAVING A CONDUCTIVE CONTROL STRIPE IN ADDITION A KNOWN MAGNETIC STRIPE AND A MACHINE FOR ACCEPTING THE NOVEL CARD AND PRIOR ART CARDS AND FOR TRANSPORTING THE CARDS AT DIFFERENT PRE-SET RATES DEPENDING ON THE RATE AT WHICH THE CARD WAS TRANSPORTED WHEN RECORDED. THE CONTROL STRIPE ON A CARD ACTUATES A CONTROL CIRCUIT OF THE TRANSPORT MACHINE BY CLOSING A SELECTING CIRCUIT THROUGH A CARD SENSOR SO THAT THE MACHINE WILL TRANSPORT CARDS WITH AND WITHOUT STRIPES AT A SELECTED RATE OF THE PRE-SET RATES.
Inventors
- 👤 F Kral
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:11
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/04; G09; G09B; G09B5/00; G09B5/06; G09B5/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |