Patent US3432030A successfully refreshed from Google Patents.
US3432030A
Expired / Lapsed
US
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Process for treating minerals
Assignee: BASF Catalysts LLC
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Filing: 1965-10-15
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Granted: 1969-03-11
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Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 James P Olivier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:07
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/02; B03D1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US667222A
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US763260A
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US1791959A
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US2165607A
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US2686592A
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US2894628A
Cited
US3259237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |