US36217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in brakes for wind-wheels
Assignee: —
•
Filing: —
•
Granted: 1862-08-19
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Expires: 1879-08-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:56
CPC Classifications
F; F03; F03D; F03D1/00; B; B64; B64D; B64D35/00; F16; F16D; F16D65/00; F16D65/14; F16D2127/00; F16D2127/001; F16D2127/002; 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) | 1865-08-18 | 1866-02-17 | 1866-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1869-08-18 | 1870-02-17 | 1870-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1873-08-18 | 1874-02-17 | 1874-08-19 | $7700.00 | Window Closed / Lapsed |