Patent FR76115E successfully refreshed from Google Patents.
US3374053A
Expired / Lapsed
US
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Process for preparing vanadium oxychloride
Assignee: Hoechst AG
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Filing: 1965-06-22
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Granted: 1968-03-19
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Krettler Albert
- 👤 Donges Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:47
CPC Classifications
C; C01; C01G; C01G31/00; C01G31/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |