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US6868A
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US
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Regulator for water-wheels
Assignee: —
•
Filing: —
•
Granted: 1849-11-13
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Expires: 1866-11-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:57
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0293; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265
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) | 1852-11-12 | 1853-05-14 | 1853-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1856-11-12 | 1857-05-14 | 1857-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1860-11-12 | 1861-05-14 | 1861-11-13 | $7700.00 | Window Closed / Lapsed |