US3515566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing coated titanium dioxide pigment
Assignee: British Titan Products Co Ltd
•
Filing: 1967-06-26
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Granted: 1970-06-02
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Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 John Robert Moody
- 👤 Gerald Lederer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:41
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C09C1/3692; C09C3/00; C09C3/04; C09C3/043; C09C3/06; C09C3/063; C09C3/08; C09C3/10; C09C3/12; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2218704A
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US2671031A
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US3035966A
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US3203818A
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US3146119A
Cited
US3251705A
Cited
US3141788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |