Patent US2961200A successfully refreshed from Google Patents.
US2961200A
Expired / Lapsed
US
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Altitude control system for aircraft
Assignee: Bendix Corp
•
Filing: 1953-11-13
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Granted: 1960-11-22
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Expires: 1973-11-13
Abstract
No abstract record available.
Inventors
- 👤 Rudolf R Seliger
- 👤 Arthur C Diani
- 👤 Raymond I Meycrs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:44
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0615; G05D1/0638
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US2632142A
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US2678178A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |