Patent US7001A successfully refreshed from Google Patents.
US7001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in curing tobacco-stems
Assignee: Individual
•
Filing: —
•
Granted: 1850-01-08
•
Expires: 1867-01-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas Hoyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:08
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/18; A24B15/28
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) | 1853-01-07 | 1853-07-09 | 1854-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1857-01-07 | 1857-07-09 | 1858-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1861-01-07 | 1861-07-09 | 1862-01-08 | $7700.00 | Window Closed / Lapsed |