Patent US1035796A successfully refreshed from Google Patents.
US3000502A
Expired / Lapsed
US
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Apparatus for separating ore
Assignee: Hobart Brothers LLC
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Filing: 1959-07-01
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Granted: 1961-09-19
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Edward A Hobart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:19
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/02; B03B5/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1228959A
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US1894058A
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US2022585A
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US2171674A
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US2583768A
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US2644583A
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US2766882A
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US2875898A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |