US182923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in machines for rolling horseshoe-nails
Assignee: —
•
Filing: —
•
Granted: 1876-10-03
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Expires: 1893-10-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/34; B21B; B21B1/00; B21B1/22
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) | 1879-10-03 | 1880-04-03 | 1880-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-10-03 | 1884-04-03 | 1884-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-10-03 | 1888-04-03 | 1888-10-03 | $7700.00 | Window Closed / Lapsed |