US3305401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodes for galvanic primary and secondary cells and methods of producing such electrodes
Assignee: Svenska Ackumulator Jungner AB
•
Filing: 1963-10-07
•
Granted: 1967-02-21
•
Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Aulin Sven Olof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:16
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/32; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD OF PRODUCING AN ELECTRODE FOR PRIMARY AND SECONDARY CELLS IN WHICH THE ACTIVE MASS IS UTILIZED MORE EFFECTIVELY AND WHICH IS CHARACTERIZED BY THE ABILITY TO DELIVER DISCHARGE CURRENTS OF GREATER MAGNITUDE COMPRISING THE STEPS OF COATING PARTICLES OF AN ACTIVE MASS WITH A METAL TO PROVIDE A POROUS METAL COATING THEREON, AND THEN APPLYING A LAYER OF THE METAL COATED ACTIVE MASS PARTICLES IN A PERFORATED CONDUCTOR, AND DEPOSITING A POROUS METALLIC COATING ON SAID LAYER AND UPON SAID CONDUCTOR TO PROVIDE A FIRM POROUS SKELETON INTEGRAL WITH SAID CONDUCTOR AND ENCLOSING SAID ACTIVE MASS.
Claim 2
Independent Claim
98 words
A METHOD OF PRODUCING AN ELECTRODE FOR PRIMARY AND SECONDARY CELLS IN WHICH THE ACTIVE MASS IS UTILIZED MORE EFFECTIVELY AND WHICH IS CHARACTERIZED BY THE ABILITY TO DELIVER DISCHARGE CURRENTS OF GREATER MAGNITUDE COMPRISING THE STEPS OF COATING PARTICLES OF AN ACTIVE MASS WITH A METAL TO PROVIDE A POROUS METAL COATING THEREON, AND THEN APPLYING A LAYER OF THE METAL COATED ACTIVE MASS PARTICLES IN A PERFORATED CONDUCTOR, AND DEPOSITING A POROUS METALLIC COATING ON SAID LAYER AND UPON SAID CONDUCTOR TO PROVIDE A FIRM POROUS SKELETON INTEGRAL WITH SAID CONDUCTOR AND ENCLOSING SAID ACTIVE MASS.
References Cited (Backward Citations)
US3006821A
Cited
US2678343A
Cited
US2654795A
Cited
US2902530A
Cited
US2853403A
Cited
US3137594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |