US1551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating swims-bridge
Assignee: —
•
Filing: —
•
Granted: 1840-04-15
•
Expires: 1857-04-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:00
CPC Classifications
E; E01; E01D; E01D15/00; E01D15/06; E01D15/08
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) | 1843-04-15 | 1843-10-15 | 1844-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1847-04-15 | 1847-10-15 | 1848-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1851-04-15 | 1851-10-15 | 1852-04-15 | $7700.00 | Window Closed / Lapsed |