US8911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bbttsh
Assignee: —
•
Filing: —
•
Granted: 1852-04-27
•
Expires: 1869-04-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:18
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/002; A46B5/0054; A46B5/0075; A46B5/0087; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32131; Y10T403/32155
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) | 1855-04-27 | 1855-10-27 | 1856-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1859-04-27 | 1859-10-27 | 1860-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1863-04-27 | 1863-10-27 | 1864-04-27 | $7700.00 | Window Closed / Lapsed |