US3503358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-stabilizing boat hull
Assignee: Individual
•
Filing: 1968-10-29
•
Granted: 1970-03-31
•
Expires: 1988-10-29
Abstract
No abstract record available.
Inventors
- 👤 Carl Moesly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:47
CPC Classifications
B; B63; B63B; B63B43/00; B63B43/02; B63B43/04; B63B43/06; B63B39/00; B63B39/02; B63B39/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3186371A
Cited
US3311083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |