Patent US3904202A successfully refreshed from Google Patents.
Patent US523855A successfully refreshed from Google Patents.
US523855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: —
•
Filing: —
•
Granted: 1894-07-31
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Expires: 1911-07-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:55
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743; Y10T137/87917; Y10T137/88054
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) | 1897-07-30 | 1898-01-29 | 1898-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-07-31 | 1902-01-30 | 1902-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-07-31 | 1906-01-30 | 1906-08-01 | $7700.00 | Window Closed / Lapsed |