US270853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for pumps
Assignee: —
•
Filing: —
•
Granted: 1883-01-16
•
Expires: 1900-01-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:20
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; F16K15/1401; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7879; Y10T137/788; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163
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) | 1886-01-15 | 1886-07-17 | 1887-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-01-15 | 1890-07-17 | 1891-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-01-15 | 1894-07-17 | 1895-01-16 | $7700.00 | Window Closed / Lapsed |