US25480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-engine
Assignee: —
•
Filing: —
•
Granted: 1859-09-20
•
Expires: 1876-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:07
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/044; F16K11/0445; E; E03; E03C; E03C1/00; E03C1/02; E03C1/021; E03C1/023; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87708; Y10T137/87748
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) | 1862-09-19 | 1863-03-21 | 1863-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1866-09-19 | 1867-03-21 | 1867-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1870-09-19 | 1871-03-21 | 1871-09-20 | $7700.00 | Window Closed / Lapsed |