US3418147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface treating pigments with hydrous metal oxides
Assignee: EIDP Inc
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Filing: 1966-06-27
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Granted: 1968-12-24
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Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Fields David Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:18
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C09C1/3692; B; B82; B82Y; B82Y30/00; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2004/64; C01P2004/80; C01P2004/82; C01P2004/84; C01P2004/86
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB969352A
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 |