US125245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in the manufacture of iron
Assignee: —
•
Filing: —
•
Granted: 1872-04-02
•
Expires: 1889-04-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:53
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B23; B23K; B23K20/00; B23K20/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12632; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958
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) | 1875-04-02 | 1875-10-02 | 1876-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1879-04-02 | 1879-10-02 | 1880-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1883-04-02 | 1883-10-02 | 1884-04-02 | $7700.00 | Window Closed / Lapsed |