Patent US2638478A successfully refreshed from Google Patents.
Patent US3129163A successfully refreshed from Google Patents.
US3129163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode for electrolytic cell
Assignee: Union Carbide Corp
•
Filing: 1960-12-23
•
Granted: 1964-04-14
•
Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Stern Milton
- 👤 Wissenberg Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:41
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/073; C25B11/075; C25B11/081; C25B11/055; C25B11/057; C25B11/061; C25B11/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
AN ANODE FOR USE IN ELECTROLYTE CELLS COMPRISING A BASE OF AN ALLOY CONSISTING ESSENTIALLY OF 4 TO 30% BY WEIGHT TUNGSTEN AND THE BALANCE SUBSTANTIALLY ALL TITANIUM AND INCIDENTAL IMPURITIES, SAID ANODE BASE BEING AT LEAST PARTIALLY COATED WITH A METALLIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM, PLATINUM, AND GOLD.
Claim 2
Dependent Claim
57 words
AN ANODE FOR USE IN ELECTROLYTE CELLS COMPRISING A BASE OF AN ALLOY CONSISTING ESSENTIALLY OF 4 TO 30% BY WEIGHT TUNGSTEN AND THE BALANCE SUBSTANTIALLY ALL TITANIUM AND INCIDENTAL IMPURITIES, SAID ANODE BASE BEING AT LEAST PARTIALLY COATED WITH A METALLIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM, PLATINUM, AND GOLD.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |