Patent US707680A successfully refreshed from Google Patents.
US2579902A
Expired / Lapsed
US
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Instrument for correlating air speed, angle of attack, and aircraft loading
Assignee: Kollsman Instrument Corp
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Filing: 1945-08-04
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Granted: 1951-12-25
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Expires: 1965-08-04
Abstract
No abstract record available.
Inventors
- 👤 Victor E Carbonara
- 👤 Jr John H Andresen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:21
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1225387A
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US1588178A
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US2132286A
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US2278219A
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US2112704A
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US2085345A
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US2507367A
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US2402618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |