Patent US4887306A successfully refreshed from Google Patents.
US34150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved water-wheel
Assignee: —
•
Filing: —
•
Granted: 1862-01-14
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Expires: 1879-01-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:00
CPC Classifications
F; F03; F03B; F03B3/00; F03B3/02; 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) | 1865-01-13 | 1865-07-15 | 1866-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1869-01-13 | 1869-07-15 | 1870-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1873-01-13 | 1873-07-15 | 1874-01-14 | $7700.00 | Window Closed / Lapsed |