Patent US518880A successfully refreshed from Google Patents.
US518880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arthur kelly evans
Assignee: —
•
Filing: —
•
Granted: 1894-04-24
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Expires: 1911-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:32
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/14; G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3916
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) | 1897-04-23 | 1897-10-23 | 1898-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-04-24 | 1901-10-24 | 1902-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-04-24 | 1905-10-24 | 1906-04-25 | $7700.00 | Window Closed / Lapsed |