US31998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in apparatus for distilling oils
Assignee: Individual
•
Filing: —
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Granted: 1861-09-04
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Expires: 1878-09-04
Abstract
No abstract record available.
Inventors
- 👤 Abraham Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:04
CPC Classifications
C; C10; C10G; C10G7/00; C10G7/12
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) | 1864-09-03 | 1865-03-05 | 1865-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-09-03 | 1869-03-05 | 1869-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-09-03 | 1873-03-05 | 1873-09-04 | $7700.00 | Window Closed / Lapsed |