Patent US5230761A successfully refreshed from Google Patents.
US515290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
John f
Assignee: —
•
Filing: —
•
Granted: 1894-02-20
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Expires: 1911-02-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:44
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/374; Y10T137/3755; Y10T137/598; Y10T137/6154
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) | 1897-02-19 | 1897-08-21 | 1898-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-02-20 | 1901-08-22 | 1902-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-02-20 | 1905-08-22 | 1906-02-21 | $7700.00 | Window Closed / Lapsed |