US19261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Making railway-bars
Assignee: —
•
Filing: —
•
Granted: 1858-02-02
•
Expires: 1875-02-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:41
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12306; Y10T428/12313; Y10T428/12319; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1861-02-01 | 1861-08-03 | 1862-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1865-02-01 | 1865-08-03 | 1866-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1869-02-01 | 1869-08-03 | 1870-02-02 | $7700.00 | Window Closed / Lapsed |