US12769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in harvesters
Assignee: —
•
Filing: —
•
Granted: 1855-04-24
•
Expires: 1872-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:05
CPC Classifications
A; A01; A01D; A01D57/00; A01D57/01; A01D57/02; A01D57/04
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) | 1858-04-23 | 1858-10-23 | 1859-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1862-04-23 | 1862-10-23 | 1863-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1866-04-23 | 1866-10-23 | 1867-04-24 | $7700.00 | Window Closed / Lapsed |