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US2486572A
Expired / Lapsed
US
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Preparation of titanium chloride solutions
Assignee: EIDP Inc
•
Filing: 1943-01-19
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Granted: 1949-11-01
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Expires: 1963-01-19
Abstract
No abstract record available.
Inventors
- 👤 Olson Carl Marcus
- 👤 Krchma Ignace Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:46
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02; C01G23/022; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1236; C22B34/1259
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18854E
Cited
US657453A
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US1189229A
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US1333819A
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US1272855A
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US1357690A
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US1504670A
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US1707257A
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US1980812A
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US2183365A
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US2345985A
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US2321490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |