US400143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forging mechanism
Assignee: —
•
Filing: —
•
Granted: 1889-03-26
•
Expires: 1906-03-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:18
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/08; B21J13/10; B21J13/12; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/12; B21D5/00; B21D5/02; B21D5/0281
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) | 1892-03-25 | 1892-09-24 | 1893-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-03-25 | 1896-09-24 | 1897-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-03-26 | 1900-09-25 | 1901-03-27 | $7700.00 | Window Closed / Lapsed |