US3574074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface treated platinized anodes
Assignee: Olin Corp
•
Filing: 1968-07-23
•
Granted: 1971-04-06
•
Expires: 1988-07-23
Abstract
Abstract POWER COSTS IN THE ELECTROLYTIC PRODUCTION OF CHLORINE USING PLATINUM METAL SURFACED ANODES ARE REDUCED BY FIRST SUBJECTING THE ANODES AS ELECTRODES TO THE ACTION OF ALTERNATING CURRENT IN AN ELECTROLYTIC SOLUTION.
Inventors
- 👤 Rajendra Paul Khera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:57
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/24; C25B1/26; C25B15/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |