Patent US3412343A successfully refreshed from Google Patents.
US3412343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Network stabilization for feedback control amplifiers
Assignee: Imperial Electric Co
•
Filing: 1966-03-31
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Granted: 1968-11-19
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Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Hansen Ansgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:12
CPC Classifications
H; H02; H02P; H02P9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3002109A
Cited
US3136940A
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US3241040A
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US3098199A
Cited
US3193755A
Cited
US3241082A
Cited
US3284694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |