Patent US3588838A successfully refreshed from Google Patents.
US3588838A
Expired / Lapsed
US
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Business event display device
Assignee: AMF Inc
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Filing: 1968-04-05
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Granted: 1971-06-28
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Expires: 1988-04-05
Abstract
Abstract A BUSINESS MACHINE WHICH PRESENTS ON THE FACE OF A CATHODE-RAY TUBE A VISUAL DISPLAY OF ITEM AND QUANTITY OF ITEM SELECTED WHEREIN THE FACE OF THE CATHODE-RAY TUBE IS DIVIDED INTO DISCRETE AREA, THE AREAS BEING WORKED TO IDENTIFY SPECIFIC ITEMS AND ITEM AND AMOUNT SELECTING CONTROLS WHICH, WHEN ACTIAVATED EFFECT THE GENERATION OF A DIGIT ON THE FACE OF THE CATHODE-RAY TUBE WITHIN A SPECIFIC DISCRETE AREA TO IDENTIFY THE ITEM SELECTED AND THE QUANTITY OF THE ITEM SELECTED.
Inventors
- 👤 Marvin Felcheck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:59
CPC Classifications
G; G06; G06Q; G06Q30/00; G06Q30/04; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/023; G06F3/0238; G06Q30/06; G06Q30/0601; G06Q30/0641; G07; G07G; G07G1/00; G07G1/10
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |