US2443748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft control system
Assignee: RCA Corp
•
Filing: 1943-04-24
•
Granted: 1948-06-22
•
Expires: 1963-04-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Royden C Sanders
- 👤 John H Purl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/042; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1709457A
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US1997412A
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US2340524A
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US2188834A
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US2293889A
Cited
US2210916A
Cited
US2257203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |