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US2926294A
Expired / Lapsed
US
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Variably damped instrument landing servosystem
Assignee: Bendix Aviation Corp
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Filing: 1953-06-05
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Granted: 1960-02-23
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Expires: 1973-06-05
Abstract
No abstract record available.
Inventors
- 👤 Kerpchar Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:38
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734703A
Cited
US2432036A
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US2575890A
Cited
US2759137A
Cited
US2775420A
Cited
US2745614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |