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US181262A
Expired / Lapsed
US
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Improvement in metallic sieves
Assignee: —
•
Filing: —
•
Granted: 1876-08-22
•
Expires: 1893-08-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:28
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/48; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
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) | 1879-08-22 | 1880-02-21 | 1880-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-08-22 | 1884-02-21 | 1884-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-08-22 | 1888-02-21 | 1888-08-22 | $7700.00 | Window Closed / Lapsed |