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Patent US3532997A successfully refreshed from Google Patents.
US3532997A
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Corrective network for servo-systems
Assignee: NOUVELLE D ELECTRONIQUE ET DE
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Filing: 1966-04-20
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Granted: 1970-10-06
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Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Pierre Faye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:25
CPC Classifications
H; H03; H03H; H03H19/00; H03H19/002; G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1418
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2584954A
Cited
US2888636A
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US3072854A
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US3052857A
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US3329910A
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US3348157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |