Patent US2646457A successfully refreshed from Google Patents.
US2646457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for alkaline batteries
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
•
Filing: 1951-07-10
•
Granted: 1953-07-21
•
Expires: 1971-07-10
Abstract
No abstract record available.
Inventors
- 👤 Pierre A C Jacquier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:18
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/80; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS FOR THE PRODUCTION OF A POROUS CARRIER BODY FOR AN ELECTRODE FOR AN ALKALINE STORAGE BATTERY, COMPRISING THE STEPS OF MOLDING WITHOUT COMPRESSION INTO THE FORM OF AN ELECTRODE AND THEN SINTERING WITHOUT COMPRESSION AT A TEMPERATURE BETWEEN ABOUT 800* C. AND ABOUT 1050* C. HOMOGENEOUS POWDERY METALLIC PRODUCTS WHOSE PHYSICAL TEXTURE AND COMPOSITION IS SUCH THAT AFTER SINTERING THE METAL CON-
Claim 2
Dependent Claim
64 words
A PROCESS FOR THE PRODUCTION OF A POROUS CARRIER BODY FOR AN ELECTRODE FOR AN ALKALINE STORAGE BATTERY, COMPRISING THE STEPS OF MOLDING WITHOUT COMPRESSION INTO THE FORM OF AN ELECTRODE AND THEN SINTERING WITHOUT COMPRESSION AT A TEMPERATURE BETWEEN ABOUT 800* C. AND ABOUT 1050* C. HOMOGENEOUS POWDERY METALLIC PRODUCTS WHOSE PHYSICAL TEXTURE AND COMPOSITION IS SUCH THAT AFTER SINTERING THE METAL CON-
References Cited (Backward Citations)
US1506246A
Cited
US1988861A
Cited
US1986197A
Cited
GB429513A
Cited
US2198042A
Cited
US2289897A
Cited
US2544112A
Cited
GB653235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |