US3386090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of improving the differential linearity of analog-digital converters and apparatus equipment for it
Assignee: CISE Centro Informazioni Studi e Esperienze SpA
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Filing: 1964-06-11
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Granted: 1968-05-28
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 Gatti Emilio
- 👤 Svelto Vito
- 👤 Cottini Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:04
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124794A
Cited
US3192371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |