Patent US2333663A successfully refreshed from Google Patents.
US2333663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of titanium oxide pigments
Assignee: Sherwin Williams Co
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Filing: 1942-05-02
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Granted: 1943-11-09
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Expires: 1962-05-02
Abstract
No abstract record available.
Inventors
- 👤 Andrew T Mccord
- 👤 Harold F Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:28
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01G23/053; C01P; C01P2002/00; C01P2002/70; C01P2002/77
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-11-08 | 1947-05-10 | 1947-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-08 | 1951-05-10 | 1951-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-08 | 1955-05-10 | 1955-11-09 | $7700.00 | Window Closed / Lapsed |