US3479493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital controller with automatic balance and manually adjusted operating point
Assignee: International Business Machines Corp
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Filing: 1966-01-17
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Granted: 1969-11-18
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 James O Jacques
- 👤 David Montgomery
- 👤 Paul A Kuckein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:55
CPC Classifications
H; H03; H03M; H03M1/00; G; G05; G05B; G05B15/00; G05B15/02; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |