US2916736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and techniques for simulating flight and control of aircraft
Assignee: Gilfillan Bros Inc
•
Filing: 1952-01-11
•
Granted: 1959-12-08
•
Expires: 1972-01-11
Abstract
No abstract record available.
Inventors
- 👤 Alvin Guy Van Alstyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/74; H01H50/76; G; G01; G01S; G01S13/00; G01S13/88; G01S13/91; G01S13/913; G01S7/00; G01S7/02; G01S7/40; G01S7/4004; G01S7/4021
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |