Patent US2558096A successfully refreshed from Google Patents.
US2558096A
Expired / Lapsed
US
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Flight control apparatus
Assignee: Honeywell Inc
•
Filing: 1946-08-19
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Granted: 1951-06-26
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Expires: 1966-08-19
Abstract
No abstract record available.
Inventors
- 👤 David L Markusen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:30
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808; G05D1/0816; G05D1/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1565097A
Cited
US1599574A
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US1811149A
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US1970584A
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GB431850A
Cited
US2173538A
Cited
US2367869A
Cited
US2415430A
Cited
US2417821A
Cited
US2412647A
Cited
US2464629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |