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US3472648A
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Treatment of titanium oxides
Assignee: Pullman Inc
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Filing: 1968-01-26
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Granted: 1969-10-14
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Expires: 1988-01-26
Abstract
No abstract record available.
Inventors
- 👤 Ernesto Suriani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:23
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1286; C22B34/1268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2807539A
Cited
US2783192A
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US2904428A
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US2834667A
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US2777763A
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US3152885A
Cited
US3188200A
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US3140170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |