Patent US20233A successfully refreshed from Google Patents.
US20233A
Expired / Lapsed
US
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Working ship s lower sails in
Assignee: —
•
Filing: —
•
Granted: 1858-05-11
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Expires: 1875-05-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:18
CPC Classifications
B; B63; B63H; B63H9/00; B63H9/04; B63H9/08; B63H9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1861-05-10 | 1861-11-09 | 1862-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1865-05-10 | 1865-11-09 | 1866-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1869-05-10 | 1869-11-09 | 1870-05-11 | $7700.00 | Window Closed / Lapsed |