Patent US448258A successfully refreshed from Google Patents.
US448258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
ranney
Assignee: —
•
Filing: —
•
Granted: 1891-03-17
•
Expires: 1908-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:34
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/22; B26D1/225; B21; B21B; B21B31/00; B21B31/02; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7684; Y10T83/7709; Y10T83/7713; Y10T83/7718; Y10T83/7809; Y10T83/783
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) | 1894-03-16 | 1894-09-15 | 1895-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-03-16 | 1898-09-15 | 1899-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-03-17 | 1902-09-16 | 1903-03-18 | $7700.00 | Window Closed / Lapsed |