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US454186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field
Assignee: —
•
Filing: —
•
Granted: 1891-06-16
•
Expires: 1908-06-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:05
CPC Classifications
B; B21; B21D; B21D9/00; B21D9/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49439
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) | 1894-06-15 | 1894-12-15 | 1895-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-06-15 | 1898-12-15 | 1899-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-06-16 | 1902-12-16 | 1903-06-17 | $7700.00 | Window Closed / Lapsed |