US3418074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for chlorinating titaniferous ores
Assignee: EIDP Inc
•
Filing: 1965-11-17
•
Granted: 1968-12-24
•
Expires: 1985-11-17
Abstract
No abstract record available.
Inventors
- 👤 Herb G Sargeant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:33
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/02; C22B1/08; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2580635A
Cited
US2675889A
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US2849983A
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US2815091A
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US2953218A
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US3097952A
Cited
US3359065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |