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US40242A
Expired / Lapsed
US
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Improvement in grain-sieves
Assignee: —
•
Filing: —
•
Granted: 1863-10-13
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Expires: 1880-10-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:04
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/4609; B07B1/469
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) | 1866-10-12 | 1867-04-13 | 1867-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1870-10-12 | 1871-04-13 | 1871-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1874-10-12 | 1875-04-13 | 1875-10-13 | $7700.00 | Window Closed / Lapsed |