US2418478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recovering seaplanes from the water
Assignee: Individual
•
Filing: 1938-01-27
•
Granted: 1947-04-08
•
Expires: 1958-01-27
Abstract
No abstract record available.
Inventors
- 👤 George A Ott
- 👤 Bruce A Van Voorhis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:00
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/50; B63B35/52; B63B27/00; B63B27/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-07 | 1950-10-07 | 1951-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-07 | 1954-10-07 | 1955-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-07 | 1958-10-07 | 1959-04-08 | $7700.00 | Window Closed / Lapsed |