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US163213A
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US
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Improvement im grain-separators
Assignee: —
•
Filing: —
•
Granted: 1875-05-11
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Expires: 1892-05-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:32
CPC Classifications
B; B02; B02B; B02B1/00; B02B1/02; B07; B07B; B07B1/00; B07B1/10
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) | 1878-05-10 | 1878-11-09 | 1879-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-05-10 | 1882-11-09 | 1883-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-05-10 | 1886-11-09 | 1887-05-11 | $7700.00 | Window Closed / Lapsed |