US3397142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the elimination of anions from a solution
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
•
Filing: 1965-01-18
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Granted: 1968-08-13
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Guth Jean Louis
- 👤 Wey Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:05
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/46; B; B01; B01J; B01J41/00; B01J41/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1916367A
Cited
US3248170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |