US2561253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sailing craft
Assignee: Individual
•
Filing: 1946-12-04
•
Granted: 1951-07-17
•
Expires: 1966-12-04
Abstract
No abstract record available.
Inventors
- 👤 Wells-Coates Wells Wintemute
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:27
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B63H9/061; B63H9/08; B63H2009/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US235868A
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US639916A
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FR611838A
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US1700660A
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US2077685A
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US2107303A
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US2484687A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |