US3573100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reconstitution of electrodes
Assignee: Individual
•
Filing: 1969-02-26
•
Granted: 1971-03-30
•
Expires: 1989-02-26
Abstract
Abstract IN A METHOD OF CLEANING ANODES COMPRISING A CONDUCTIVE BASE COATED WITH NOBLE METALS OR CHEMICAL COMPOUNDS THEREOF, THE ANODES ARE TREATED WITH A MELT CONTAINING A BASIC MATERIAL AT A SPECIFIC TEMPERATURE AND IN THE PRESENCE OF AN OXIDANT OR OXYGEN.
Inventors
- 👤 Henri Bernard Beer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:11
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/44; C23G; C23G1/00; C23G1/28; C23G1/32; C25; C25B; C25B11/00; C25B15/00
Claims Analysis
Total Claims: 0
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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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |