US440763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for and method of making rolled forcings
Assignee: —
•
Filing: 1890-08-21
•
Granted: 1890-11-18
•
Expires: 1910-08-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:44
CPC Classifications
B; B21; B21H; B21H5/00; B21H5/02; B21H5/027
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) | 1893-11-17 | 1894-05-19 | 1894-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-11-17 | 1898-05-19 | 1898-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-11-18 | 1902-05-20 | 1902-11-19 | $7700.00 | Window Closed / Lapsed |