Patent US452617A successfully refreshed from Google Patents.
US452617A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw-driver
Assignee: —
•
Filing: —
•
Granted: 1891-05-19
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Expires: 1908-05-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:29
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/004; B25B21/005; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1532; Y10T74/18; Y10T74/18056; Y10T74/18088
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) | 1894-05-18 | 1894-11-17 | 1895-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-05-18 | 1898-11-17 | 1899-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-05-19 | 1902-11-18 | 1903-05-20 | $7700.00 | Window Closed / Lapsed |