US3588826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chosen selection transmittal system
Assignee: International Business Machines Corp
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Filing: 1968-05-08
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Granted: 1971-06-28
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Expires: 1988-05-08
Abstract
Abstract A SYSTEM FOR SELECTING AT A REMOTE STATION ANY ONE OF A PLURALITY OF OUTPUTS ARE A CENTRAL STATION IN WHICH THE SELECTION IS ACCOMPLISHED BY INITIALLY TRANSLATING THE SELECTION INTO A BINARY CODE OF TONES, PASSING THE TONES OVER A WIRE INTERCONNECTING THE REMOTE AND CENTRAL STATIONS AND THEN TRANSLATING THE CODE OF TONES INTO THE OUTPUT SELECTED BY USE OF A BINARY CODED RELAY MEANS.
Inventors
- 👤 Angelo Vaccaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:05
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/08; H04Q9/12
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 |