Patent US3011920A successfully refreshed from Google Patents.
US595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X e elijah fairman
Assignee: —
•
Filing: —
•
Granted: 1838-02-06
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Expires: 1855-02-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:47
CPC Classifications
D; D03; D03C; D03C5/00; D03C5/02
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) | 1841-02-05 | 1841-08-07 | 1842-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1845-02-05 | 1845-08-07 | 1846-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1849-02-05 | 1849-08-07 | 1850-02-06 | $7700.00 | Window Closed / Lapsed |