US3118732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclic process for producing titanium dioxide pigment
Assignee: Akzo Nobel Paints LLC
•
Filing: 1962-01-29
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Granted: 1964-01-21
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Richards
- 👤 Frank O Rummery
- 👤 Roseman Reuben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:02
CPC Classifications
C; C22; C22B; 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)
US1451399A
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US1847435A
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US1906467A
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US1967235A
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US2184887A
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US2245358A
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US2436432A
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US2488440A
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US2791490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |