US148041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in steam-pumps
Assignee: —
•
Filing: —
•
Granted: 1874-03-03
•
Expires: 1891-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:39
CPC Classifications
F; F01; F01B; F01B25/00; F04; F04F; F04F1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/265; Y10T137/2668; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/19684
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) | 1877-03-02 | 1877-09-01 | 1878-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1881-03-02 | 1881-09-01 | 1882-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1885-03-02 | 1885-09-01 | 1886-03-03 | $7700.00 | Window Closed / Lapsed |