Patent US169165A successfully refreshed from Google Patents.
US169165A
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US
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Improvement in water-wheels
Assignee: —
•
Filing: —
•
Granted: 1875-10-26
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Expires: 1892-10-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:54
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162; F03; F03B; F03B3/00; F03B3/16; F05; F05B; F05B2260/00; F05B2260/50; F05B2260/506; Y; Y02; Y02E; Y02E10/00; Y02E10/20
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) | 1878-10-25 | 1879-04-26 | 1879-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-10-25 | 1883-04-26 | 1883-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-10-25 | 1887-04-26 | 1887-10-26 | $7700.00 | Window Closed / Lapsed |