US182468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in straightening iron and steel wire
Assignee: —
•
Filing: —
•
Granted: 1876-09-19
•
Expires: 1893-09-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:56
CPC Classifications
C; C22; C22C; C22C11/00; B; B21; B21C; B21C19/00; B21F; B21F1/00; B21F1/02; B21F9/00; B21F9/007; C23; C23C; C23C2/00; C23C2/003; C23C2/0035; C23C2/34; C23C2/36; C23C2/38; C21; C21D; C21D9/00; C21D9/52; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12701; Y10T428/12708; Y10T428/12722; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12799; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/31504; Y10T428/31844
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) | 1879-09-19 | 1880-03-20 | 1880-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-09-19 | 1884-03-20 | 1884-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-09-19 | 1888-03-20 | 1888-09-19 | $7700.00 | Window Closed / Lapsed |