US2362486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-speed control and spin delay assembly for link trainers
Assignee: Individual
•
Filing: 1944-02-29
•
Granted: 1944-11-14
•
Expires: 1964-02-29
Abstract
No abstract record available.
Inventors
- 👤 Sherman A Holbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:21
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87249; Y10T137/87265; Y10T137/877; Y10T137/87909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-11-14 | 1948-05-15 | 1948-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-14 | 1952-05-15 | 1952-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-14 | 1956-05-15 | 1956-11-14 | $7700.00 | Window Closed / Lapsed |