US52385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mode of detaching tow-lines
Assignee: —
•
Filing: —
•
Granted: 1866-02-06
•
Expires: 1883-02-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:51
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/60; B63B34/67
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1869-02-05 | 1869-08-07 | 1870-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-02-05 | 1873-08-07 | 1874-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-02-05 | 1877-08-07 | 1878-02-06 | $7700.00 | Window Closed / Lapsed |