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US31525A
Expired / Lapsed
US
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Machine for manufacture op hoe-blanks
Assignee: —
•
Filing: —
•
Granted: 1861-02-26
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Expires: 1878-02-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:44
CPC Classifications
B; B21; B21H; B21H7/00; B21H7/04; B21B; B21B15/00; B21B2015/0028
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) | 1864-02-26 | 1864-08-27 | 1865-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-02-26 | 1868-08-27 | 1869-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-02-26 | 1872-08-27 | 1873-02-26 | $7700.00 | Window Closed / Lapsed |