Patent US2608172A successfully refreshed from Google Patents.
US2608172A
Expired / Lapsed
US
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Sail batten
Assignee: Individual
•
Filing: 1947-10-06
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Granted: 1952-08-26
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Expires: 1967-10-06
Abstract
No abstract record available.
Inventors
- 👤 Biuw Carl Oscar Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:37
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B63H9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |