Patent US28896A successfully refreshed from Google Patents.
US28896A
Expired / Lapsed
US
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Improvement in cotton-seed planters
Assignee: —
•
Filing: —
•
Granted: 1860-06-26
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Expires: 1877-06-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:04
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/003; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/114; B01F27/1143
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) | 1863-06-26 | 1863-12-26 | 1864-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-06-26 | 1867-12-26 | 1868-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-06-26 | 1871-12-26 | 1872-06-26 | $7700.00 | Window Closed / Lapsed |