US3291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
rne s pro s
Assignee: —
•
Filing: —
•
Granted: 1843-10-06
•
Expires: 1860-10-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:24
CPC Classifications
F; F16; F16H; F16H31/00; F16H31/003; F16H31/005; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1556; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/21; Y10T74/2133; Y10T74/2136
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) | 1846-10-05 | 1847-04-06 | 1847-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1850-10-05 | 1851-04-06 | 1851-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1854-10-05 | 1855-04-06 | 1855-10-06 | $7700.00 | Window Closed / Lapsed |