US564474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system for closing water-tight bulkheads on board ships
Assignee: —
•
Filing: —
•
Granted: 1896-07-21
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Expires: 1913-07-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
B; B63; B63B; B63B19/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87121; Y10T137/87129; Y10T137/87137; Y10T137/87145; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021
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) | 1899-07-21 | 1900-01-20 | 1900-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-07-22 | 1904-01-21 | 1904-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-07-22 | 1908-01-21 | 1908-07-22 | $7700.00 | Window Closed / Lapsed |