Patent US3277396A successfully refreshed from Google Patents.
US2500212A
Expired / Lapsed
US
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Radio control system
Assignee: Individual
•
Filing: 1944-12-18
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Granted: 1950-03-14
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Expires: 1964-12-18
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/12; G08C19/14; F; F41; F41G; F41G7/00; F41G7/20; F41G7/30; F42; F42B; F42B19/00; F42B19/01; F42B19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1326727A
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US1514699A
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US1984379A
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US2250708A
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US2165800A
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US2397088A
Cited
US2411787A
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US2419541A
Cited
US2413621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |