Patent US2542202A successfully refreshed from Google Patents.
US2542202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft air-speed regulator
Assignee: Individual
•
Filing: 1946-06-03
•
Granted: 1951-02-20
•
Expires: 1966-06-03
Abstract
No abstract record available.
Inventors
- 👤 Mcguire John Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:37
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0615; G05D1/063; Y; Y10; Y10S; Y10S116/00; Y10S116/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2162940A
Cited
US2284509A
Cited
US2144614A
Cited
US2167077A
Cited
US2188834A
Cited
US2238300A
Cited
US2352649A
Cited
US2391896A
Cited
US2368059A
Cited
US2322782A
Cited
US2383779A
Cited
US2416958A
Cited
GB574152A
Cited
US2401790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |