US2626382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air traffic control system
Assignee: SPX Technologies Inc
•
Filing: 1950-04-13
•
Granted: 1953-01-20
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Nelson B Coley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:40
CPC Classifications
G; G08; G08G; G08G5/00; G08G5/20; G08G5/22; G08G5/50; G08G5/56
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1689294A
Cited
US1871762A
Cited
US2091301A
Cited
US2059204A
Cited
US2004209A
Cited
US2216610A
Cited
US2351588A
Cited
US2433362A
Cited
US2462875A
Cited
US2465582A
Cited
US2425973A
Cited
US2515633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |