Patent US2460802A successfully refreshed from Google Patents.
US2460802A
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US
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Method of starting a fine heavy media separation plant
Assignee: Colorado Iron Works Co
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Filing: 1945-01-09
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Granted: 1949-02-08
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Expires: 1965-01-09
Abstract
No abstract record available.
Inventors
- 👤 Edmund C Bitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:02
CPC Classifications
B; B03; B03B; B03B11/00; B03B5/00; B03B5/28; B03B5/30; B03B5/36; B03B2011/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984362A
Cited
US2320519A
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US2347264A
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US2353152A
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US2356648A
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US2378356A
Cited
US2368416A
Cited
US2378257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |