US17384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved wind-wheel
Assignee: —
•
Filing: —
•
Granted: 1857-05-26
•
Expires: 1874-05-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:01
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F03D7/022; F03D7/0224; B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34; B64C11/346; F03D80/00; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
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) | 1860-05-25 | 1860-11-24 | 1861-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-05-25 | 1864-11-24 | 1865-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-05-25 | 1868-11-24 | 1869-05-26 | $7700.00 | Window Closed / Lapsed |