US22848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in steam-plows
Assignee: —
•
Filing: —
•
Granted: 1859-02-08
•
Expires: 1876-02-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:12
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/06; B62D7/14; B62D7/15; B62D7/1518; B62D7/1527
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) | 1862-02-07 | 1862-08-09 | 1863-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1866-02-07 | 1866-08-09 | 1867-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1870-02-07 | 1870-08-09 | 1871-02-08 | $7700.00 | Window Closed / Lapsed |