Patent US6881A successfully refreshed from Google Patents.
US6881A
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US
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Improvement in distilling and rectifying spirits
Assignee: —
•
Filing: —
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Granted: 1849-11-20
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Expires: 1866-11-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:58
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/70; A23L2/80; A23F; A23F5/00; A23F5/20; A23F5/22; A23F5/223
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) | 1852-11-19 | 1853-05-21 | 1853-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1856-11-19 | 1857-05-21 | 1857-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1860-11-19 | 1861-05-21 | 1861-11-20 | $7700.00 | Window Closed / Lapsed |