US2519522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft having a plurality of fluidly interconnected laterally disposed landing gear units
Assignee: Boeing Co
•
Filing: 1946-01-29
•
Granted: 1950-08-22
•
Expires: 1966-01-29
Abstract
No abstract record available.
Inventors
- 👤 Edward C Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:27
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/12; B64C25/18; B64C25/22; B64C25/24; B64C25/32; B64C25/58; B64C25/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1541957A
Cited
US1847491A
Cited
FR746073A
Cited
US1981856A
Cited
FR819026A
Cited
US2110865A
Cited
GB510164A
Cited
US2368855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |