Patent US1065678A successfully refreshed from Google Patents.
US1065678A
Expired / Lapsed
US
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Treatment for the precipitation of ore values from the effluent waters of ore crushing and concentrating plants.
Assignee: Individual
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Filing: 1911-11-18
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Granted: 1913-06-24
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Expires: 1931-11-18
Abstract
No abstract record available.
Inventors
- 👤 Andrew Gordon French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:26
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/54
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) | 1916-06-23 | 1916-12-23 | 1917-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-06-23 | 1920-12-23 | 1921-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-06-23 | 1924-12-23 | 1925-06-24 | $7700.00 | Window Closed / Lapsed |