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US1341024A
Expired / Lapsed
US
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Machine for the separation of sulfid ores
Assignee: Minerals Separation North American Corp
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Filing: 1916-04-18
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Granted: 1920-05-25
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Expires: 1936-04-18
Abstract
No abstract record available.
Inventors
- 👤 Seale Harry Vernon
- 👤 Shellshear Wilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:25
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/16; B03D1/1412; 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) | 1923-05-25 | 1923-11-24 | 1924-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-05-25 | 1927-11-24 | 1928-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-05-25 | 1931-11-24 | 1932-05-25 | $7700.00 | Window Closed / Lapsed |