Patent US17749A successfully refreshed from Google Patents.
US17749A
Expired / Lapsed
US
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Improved scroll-wheel for harvesters
Assignee: —
•
Filing: —
•
Granted: 1857-07-07
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Expires: 1874-07-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:21
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F01C1/3446; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101
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) | 1860-07-06 | 1861-01-05 | 1861-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-07-06 | 1865-01-05 | 1865-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-07-06 | 1869-01-05 | 1869-07-07 | $7700.00 | Window Closed / Lapsed |