US74597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
rodieb
Assignee: —
•
Filing: —
•
Granted: 1868-02-18
•
Expires: 1885-02-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:20
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/003; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/8593; Y10T137/87917; Y10T137/88022; Y10T137/8803
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) | 1871-02-17 | 1871-08-19 | 1872-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1875-02-17 | 1875-08-19 | 1876-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1879-02-17 | 1879-08-19 | 1880-02-18 | $7700.00 | Window Closed / Lapsed |