Patent US369062A successfully refreshed from Google Patents.
US369062A
Expired / Lapsed
US
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Valve for feed-water pipes for steam-boilers
Assignee: —
•
Filing: —
•
Granted: 1887-08-30
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Expires: 1904-08-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:28
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08; F16K1/00; F16K1/02; F16K1/04; F16K15/00; F16K15/02; F16K15/06; F22; F22D; F22D11/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7613; Y10T137/8593; Y10T137/87917
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) | 1890-08-29 | 1891-02-28 | 1891-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1894-08-29 | 1895-02-28 | 1895-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1898-08-29 | 1899-02-28 | 1899-08-30 | $7700.00 | Window Closed / Lapsed |