US2614251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flight instrument
Assignee: Honeywell Inc
•
Filing: 1946-07-31
•
Granted: 1952-10-14
•
Expires: 1966-07-31
Abstract
No abstract record available.
Inventors
- 👤 William K Ergen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:19
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/78; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2108146A
Cited
US2137133A
Cited
US2080186A
Cited
US2137847A
Cited
US2417033A
Cited
US2405238A
Cited
US2405239A
Cited
US2472129A
Cited
US2416223A
Cited
US2450991A
Cited
US2453607A
Cited
US2480208A
Cited
US2417098A
Cited
US2446191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |