US2416104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable wing tip tank
Assignee: Individual
•
Filing: 1944-03-22
•
Granted: 1947-02-18
•
Expires: 1964-03-22
Abstract
No abstract record available.
Inventors
- 👤 Myron H Lerche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:28
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; B64D37/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1180967A
Cited
US1731757A
Cited
US1996281A
Cited
US2010817A
Cited
US2105307A
Cited
US2283223A
Cited
US2196546A
Cited
US2234404A
Cited
US2375858A
Cited
US2375423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |