US2914017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphibious vehicle
Assignee: Curtiss Wright Corp
•
Filing: 1957-04-29
•
Granted: 1959-11-24
•
Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Robert D Ruger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:47
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0007; B60F3/0015; B63; B63H; B63H1/00; B63H1/30; B63H1/34; B63H2001/342; B63H2001/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2404489A
Cited
US2456542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |