US2650045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft
Assignee: WIGGINS HUNT ENGINEERING CORP
•
Filing: 1950-11-10
•
Granted: 1953-08-25
•
Expires: 1970-11-10
Abstract
No abstract record available.
Inventors
- 👤 William E Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:25
CPC Classifications
B; B64; B64C; B64C23/00; B64C23/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1405643A
Cited
US1861491A
Cited
US1933307A
Cited
US2306703A
Cited
US2440225A
Cited
US2414766A
Cited
US2554774A
Cited
US2541704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |