US2589203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced sail
Assignee: Individual
•
Filing: 1949-10-12
•
Granted: 1952-03-11
•
Expires: 1969-10-12
Abstract
No abstract record available.
Inventors
- 👤 Martin L Nilsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:33
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B63H9/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US4305A
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US5744A
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US455030A
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US555631A
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US1849965A
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US2134362A
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US2275159A
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US2365184A
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US2477464A
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US2499498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |