Patent US3201443A successfully refreshed from Google Patents.
Patent US149741A successfully refreshed from Google Patents.
US149741A
Expired / Lapsed
US
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Improvement in separators for thrashing-machines
Assignee: —
•
Filing: —
•
Granted: 1874-04-14
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Expires: 1891-04-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:57
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/18; B07B1/20; A; A01; A01D; A01D75/00; A01D75/28; A01D75/282
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) | 1877-04-13 | 1877-10-13 | 1878-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1881-04-13 | 1881-10-13 | 1882-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1885-04-13 | 1885-10-13 | 1886-04-14 | $7700.00 | Window Closed / Lapsed |