US2485953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft control system
Assignee: United States Department of the Navy
•
Filing: 1940-04-24
•
Granted: 1949-10-25
•
Expires: 1960-04-24
Abstract
No abstract record available.
Inventors
- 👤 Theodore H Barth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:12
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808; G05D1/0816; G05D1/085; G01; G01C; G01C19/00; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1246; Y10T74/1261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1368226A
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US1335055A
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US1418335A
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GB154277A
Cited
US1662566A
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US1518892A
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US1912112A
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US1919112A
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US1918082A
Cited
US2137974A
Cited
US2203671A
Cited
US2270875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |