US8148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Island
Assignee: —
•
Filing: —
•
Granted: 1851-06-10
•
Expires: 1868-06-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:20
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/02; G05D13/06; F; F02; F02D; F02D9/00
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) | 1854-06-09 | 1854-12-09 | 1855-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1858-06-09 | 1858-12-09 | 1859-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1862-06-09 | 1862-12-09 | 1863-06-10 | $7700.00 | Window Closed / Lapsed |