Patent US1832565A successfully refreshed from Google Patents.
US27909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Island
Assignee: —
•
Filing: —
•
Granted: 1860-04-17
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Expires: 1877-04-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:37
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K2200/00; F16K2200/20; F16K2200/202; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7846; Y10T137/8593; Y10T137/86928; Y10T137/87016; Y10T137/8704
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) | 1863-04-17 | 1863-10-17 | 1864-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-04-17 | 1867-10-17 | 1868-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-04-17 | 1871-10-17 | 1872-04-17 | $7700.00 | Window Closed / Lapsed |