US3056849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell with slurry electrolyteanode body
Assignee: Servel Inc
•
Filing: 1959-04-07
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Granted: 1962-10-02
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Robert A Warren
- 👤 Joseph J Coleman
- 👤 Milton E Wilke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:44
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PRIMARY CELL COMPRISING A CELL CONTAINER AND HAVING DISPOSED THEREIN A DEPOLARIZE MEMBER COMPRISED OF A MAJOR PROPORTION OF AN EASILY REDUCIBLE METAL OXIDE AND A MINOR PROPORTION OF FINELY DIVIDED CARBON PARTICLES, AND A COMBINATION ELECTROLYTE-ANODE MEMBER COMPRISED OF A SLURRY OF ANODE METAL PARTICLES, PARTICLES OF A BIBULOUS MATERIAL OF GREATR THAN COLOIDAL SIZE, AND AN ELECTROLYTE, AND AN IONICALLY PERMEABLE BARRIER INTERPOSED BETWEEN SAID DEPOLARIZER MEMBER AND SAID ELECTROLYTEANODE MEMBER HAVING ONE SURFACE IN CONTACT ENGAGEMENT WITH SAID DEPOLARIZER MEMBER AND THE OTHER SURFACE IN CONTACT ENGAGEMENT WITH SAID ELECTROLYTE-ANODE MEMBER.
Claim 2
Dependent Claim
95 words
A PRIMARY CELL COMPRISING A CELL CONTAINER AND HAVING DISPOSED THEREIN A DEPOLARIZE MEMBER COMPRISED OF A MAJOR PROPORTION OF AN EASILY REDUCIBLE METAL OXIDE AND A MINOR PROPORTION OF FINELY DIVIDED CARBON PARTICLES, AND A COMBINATION ELECTROLYTE-ANODE MEMBER COMPRISED OF A SLURRY OF ANODE METAL PARTICLES, PARTICLES OF A BIBULOUS MATERIAL OF GREATR THAN COLOIDAL SIZE, AND AN ELECTROLYTE, AND AN IONICALLY PERMEABLE BARRIER INTERPOSED BETWEEN SAID DEPOLARIZER MEMBER AND SAID ELECTROLYTEANODE MEMBER HAVING ONE SURFACE IN CONTACT ENGAGEMENT WITH SAID DEPOLARIZER MEMBER AND THE OTHER SURFACE IN CONTACT ENGAGEMENT WITH SAID ELECTROLYTE-ANODE MEMBER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |