US3300276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for solubilizing vanadium values
Assignee: Evonik Operations GmbH
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Filing: 1964-04-24
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Granted: 1967-01-24
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Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Bretschneider Gunther
- 👤 Sperr Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:14
CPC Classifications
C; C01; C01G; C01G31/00; C01G31/006; C01G31/02; C22; C22B; C22B34/00; C22B34/20; C22B34/22; C01P; C01P2006/00; C01P2006/80; Y; Y02; Y02P; Y02P10/00; Y02P10/20
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |