US2894236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio remote controller for aircraft
Assignee: Individual
•
Filing: 1953-11-02
•
Granted: 1959-07-07
•
Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Howard B Jopson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:54
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2156033A
Cited
US2425733A
Cited
US2452311A
Cited
US2510707A
Cited
US2493059A
Cited
US2642554A
Cited
US2692356A
Cited
US2793335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |