US1269397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroaeroplane-pontoon.
Assignee: Curtiss Aeroplane and Motor Corp
•
Filing: 1916-11-18
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Granted: 1918-06-11
•
Expires: 1936-11-18
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Curtiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:46
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-06-10 | 1921-12-10 | 1922-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-06-10 | 1925-12-10 | 1926-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-06-10 | 1929-12-10 | 1930-06-11 | $7700.00 | Window Closed / Lapsed |