US3096217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leak-proof electrochemical cell
Assignee: Duracell Inc USA
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Filing: 1960-10-04
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Granted: 1963-07-02
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Expires: 1980-10-04
Abstract
No abstract record available.
Inventors
- 👤 Richard R Clune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:10
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/147; H01M50/166; H01M50/167; H01M50/171; H01M50/50; H01M50/543; H01M50/552; H01M50/559; H01M50/56; H01M6/00; H01M6/04; H01M6/06; H01M6/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN ELECTRICAL CURRENT PRODUCING CELL COMPRISING, IN COMBINATION, A METAL CASING, A TOP CLOSURE MEMBER THEREFOR COMPRISING AN INNER AND AN OUTER METAL TOP DISC HAVING INTERFITTING CENTER REGIONS AND THEIR EDGES SEPARATED AN INSULATING SEALING COLLAR COMPRESSED BETWEEN MARGINAL PORTIONS OF SAID CASING AND OF SAID DISCS, A CATHODE IN SAID CASING AND IN ELECTRICAL CONTACT THEREWITH, AN ANODE SPACED FROM SAID CATHODE AND IN ELECTRICAL CONTACT WITH THE INNER SURFACE OF THE INNER TOP DISC, AND AN ELECTROLYTE INTERPOSED BETWEEN SAID CATHODE AND SAID ANODE, THE INNER SURFACE OF THE INNER TOP DISC BEING FORMED IOF A FIRST METAL HAVING LOW ELECTROCHEMICAL POTENTIAL WITH RESPECT TO THE ANODE METAL, AND THE OUTER SURFACE OF THE INNER
Claim 2
Dependent Claim
118 words
AN ELECTRICAL CURRENT PRODUCING CELL COMPRISING, IN COMBINATION, A METAL CASING, A TOP CLOSURE MEMBER THEREFOR COMPRISING AN INNER AND AN OUTER METAL TOP DISC HAVING INTERFITTING CENTER REGIONS AND THEIR EDGES SEPARATED AN INSULATING SEALING COLLAR COMPRESSED BETWEEN MARGINAL PORTIONS OF SAID CASING AND OF SAID DISCS, A CATHODE IN SAID CASING AND IN ELECTRICAL CONTACT THEREWITH, AN ANODE SPACED FROM SAID CATHODE AND IN ELECTRICAL CONTACT WITH THE INNER SURFACE OF THE INNER TOP DISC, AND AN ELECTROLYTE INTERPOSED BETWEEN SAID CATHODE AND SAID ANODE, THE INNER SURFACE OF THE INNER TOP DISC BEING FORMED IOF A FIRST METAL HAVING LOW ELECTROCHEMICAL POTENTIAL WITH RESPECT TO THE ANODE METAL, AND THE OUTER SURFACE OF THE INNER
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |