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US3465768A
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US
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Gain-adaptive control system
Assignee: Imperial Chemical Industries Ltd
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Filing: 1967-08-11
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Granted: 1969-09-09
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Expires: 1987-08-11
Abstract
No abstract record available.
Inventors
- 👤 Ernest Norman Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:31
CPC Classifications
G; G05; G05B; G05B13/00; G05B13/02; G05B13/0205; Y; Y02; Y02P; Y02P80/00; Y02P80/10; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0396; Y10T137/2278; Y10T137/2409; Y10T137/2452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2985183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |