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Patent US1319208A successfully refreshed from Google Patents.
US1319208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating or concentrating ores
Assignee: —
•
Filing: —
•
Granted: 1919-10-21
•
Expires: 1936-10-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:47
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/62; B03B5/623; B03D; B03D1/00; B03D1/02; B03D1/028; B03D1/14; B03D1/1406; B03D1/1443; B03D1/1456; B03D1/1462; B03D1/1468; B03D1/24; B03D1/245
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) | 1922-10-20 | 1923-04-21 | 1923-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-10-20 | 1927-04-21 | 1927-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-10-20 | 1931-04-21 | 1931-10-21 | $7700.00 | Window Closed / Lapsed |