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US357191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relief-valve for engine-cylinders
Assignee: —
•
Filing: —
•
Granted: 1887-02-08
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Expires: 1904-02-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:38
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/067; F16K15/03; F16K15/035; F16K15/036; F16K15/038; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8663
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) | 1890-02-07 | 1890-08-09 | 1891-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1894-02-07 | 1894-08-09 | 1895-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1898-02-07 | 1898-08-09 | 1899-02-08 | $7700.00 | Window Closed / Lapsed |