US2909791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sandwich construction for seaplane floats
Assignee: Individual
•
Filing: 1956-07-19
•
Granted: 1959-10-27
•
Expires: 1976-07-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert R Malary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:45
CPC Classifications
B; B64; B64C; B64C35/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2088352A
Cited
US2414125A
Cited
US2417586A
Cited
US2381631A
Cited
US2478165A
Cited
US2617126A
Cited
US2547146A
Cited
US2805974A
Cited
US2815309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |