US2514541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flight indicator
Assignee: Individual
•
Filing: 1946-07-13
•
Granted: 1950-07-11
•
Expires: 1966-07-13
Abstract
No abstract record available.
Inventors
- 👤 Charles L Garrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:03
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/20; G01C21/22; Y; Y10; Y10S; Y10S116/00; Y10S116/39; Y10S116/41
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1745933A
Cited
US1980886A
Cited
US2296928A
Cited
US2314497A
Cited
US2267649A
Cited
US2271296A
Cited
US2376445A
Cited
US2381634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |