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US2643628A
Expired / Lapsed
US
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Sailboat construction
Assignee: Individual
•
Filing: 1950-08-24
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Granted: 1953-06-30
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Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Sveinsson Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:21
CPC Classifications
B; B63; B63B; B63B43/00; B63B43/02; B63B43/04; B63B43/08; B63B43/085; B63B15/00; B63B15/02; B63H; B63H9/00; B63H9/04; B63H9/08; B63H9/10; B63H9/1007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE56675C
Cited
US100151A
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US236237A
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US530154A
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US606104A
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US633904A
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US1885247A
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US2312567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |