US22668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in coloring and curing tobacco-stems
Assignee: —
•
Filing: —
•
Granted: 1859-01-18
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Expires: 1876-01-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:08
CPC Classifications
A; A24; A24B; A24B5/00; A24B5/16
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) | 1862-01-17 | 1862-07-19 | 1863-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1866-01-17 | 1866-07-19 | 1867-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1870-01-17 | 1870-07-19 | 1871-01-18 | $7700.00 | Window Closed / Lapsed |