Patent US2678784A successfully refreshed from Google Patents.
US2678784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane
Assignee: LANIER AIRCRAFT Corp
•
Filing: 1948-12-23
•
Granted: 1954-05-18
•
Expires: 1968-12-23
Abstract
No abstract record available.
Inventors
- 👤 Edward M Lanier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:01
CPC Classifications
B; B64; B64C; B64C21/00; B64C21/02; B64C2230/00; B64C2230/06; B64C2230/20; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1471243A
Cited
US1496732A
Cited
US1580577A
Cited
US1810693A
Cited
US1822179A
Cited
US1857962A
Cited
US1866214A
Cited
US1918897A
Cited
GB393074A
Cited
GB419559A
Cited
US2075817A
Cited
US2419161A
Cited
US2485218A
Cited
US2541565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |