US3763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Im provement in water-wheelsx
Assignee: —
•
Filing: —
•
Granted: 1844-09-27
•
Expires: 1861-09-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:23
CPC Classifications
F; F03; F03B; F03B3/00; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2238; F04D29/225; 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) | 1847-09-27 | 1848-03-28 | 1848-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1851-09-27 | 1852-03-28 | 1852-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1855-09-27 | 1856-03-28 | 1856-09-27 | $7700.00 | Window Closed / Lapsed |