Patent US369747A successfully refreshed from Google Patents.
US369747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eichaed smith
Assignee: —
•
Filing: —
•
Granted: 1887-09-13
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Expires: 1904-09-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:54
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/114
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) | 1890-09-12 | 1891-03-14 | 1891-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1894-09-12 | 1895-03-14 | 1895-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1898-09-12 | 1899-03-14 | 1899-09-13 | $7700.00 | Window Closed / Lapsed |