US2510161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simulated air-speed indicating means for aviation ground trainers
Assignee: Individual
•
Filing: 1944-10-07
•
Granted: 1950-06-06
•
Expires: 1964-10-07
Abstract
No abstract record available.
Inventors
- 👤 Claude K Wilkinson
- 👤 Reeve C Morehouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:56
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE596883C
Cited
DE519961C
Cited
US2099857A
Cited
US2280117A
Cited
US2366603A
Cited
GB560462A
Cited
US2442205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |