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US367608A
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Feed-regulator for roller-m i lls an d purifiers
Assignee: —
•
Filing: —
•
Granted: 1887-08-02
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Expires: 1904-08-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:23
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/54; B65D90/58; B65D90/582
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) | 1890-08-01 | 1891-01-31 | 1891-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1894-08-01 | 1895-01-31 | 1895-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1898-08-01 | 1899-01-31 | 1899-08-02 | $7700.00 | Window Closed / Lapsed |