US2940688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roadable aircraft and sailboat
Assignee: Individual
•
Filing: 1956-08-27
•
Granted: 1960-06-14
•
Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Edward F Bland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:10
CPC Classifications
B; B60; B60F; B60F5/00; B60F5/02; B60F3/00; B64; B64C; B64C37/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1073648A
Cited
US1727275A
Cited
US2194596A
Cited
US2573271A
Cited
US2606519A
Cited
US2681773A
Cited
US2691494A
Cited
US2713465A
Cited
US2893661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |