US3105249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydro-foil apparatus
Assignee: Individual
•
Filing: 1962-01-31
•
Granted: 1963-10-01
•
Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 Frank E Palmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:20
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/40; B63B34/50; B63B34/54; B63H; B63H16/00; B63H2016/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2814811A
Cited
US2751612A
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US2942810A
Cited
US2748400A
Cited
US2815518A
Cited
US2955559A
Cited
US2890672A
Cited
US2930338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |