Patent US2050737A successfully refreshed from Google Patents.
Patent US26331A successfully refreshed from Google Patents.
US26331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wilson ager
Assignee: —
•
Filing: —
•
Granted: 1859-12-06
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Expires: 1876-12-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:25
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/281
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) | 1862-12-05 | 1863-06-06 | 1863-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1866-12-05 | 1867-06-06 | 1867-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1870-12-05 | 1871-06-06 | 1871-12-06 | $7700.00 | Window Closed / Lapsed |