US3368870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing titanium hydroxide and high grade pigments produced therefrom
Assignee: Individual
•
Filing: 1964-12-04
•
Granted: 1968-02-13
•
Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Soloducha Nicolas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:49
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1236; C22B34/124; C22B34/125; C22B34/1204; C22B34/1213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3193376A
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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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |