Patent US2833848A successfully refreshed from Google Patents.
US2833848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat dry cell battery
Assignee: Individual
•
Filing: 1955-03-23
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Granted: 1958-05-06
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Expires: 1975-03-23
Abstract
No abstract record available.
Inventors
- 👤 Marty Wilbert Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:00
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A FLAT DRY-CELL BATTERY COMPRISING A PLURALITY OF CELLS, EACH OF WHICH COMPRISES A FLAT NEGATIVE METAL ELECTRODE DISC, A POSITIVE ELECTRODE DISC HAVING ITS OUTER MARGINAL EDGES TURNED UPWARDLY, A LIQUID ELECTROLYTE DISPOSED BETWEEN AND IN CONTACT WITH SAID ELECTRODES, END CAPS AND A SINGLE INSULATING, SEALING, CONTAINING AND STRENGTHENING TUBULAR MEMBER OF PLASTIC HAVING ELASTIC MEMORY, CHARACTERIZED BY SAID POSITIVE ELECTRODE CONSISTING OF SYNTHETIC POLYMERIC RESINOUS ELECTRICALLY CONDUCTIVE MATERIAL INERT TO CHEMICAL DEGRADATION BY SAID ELECTROLYTE AND BY SAID NEGATIVE ELECTRODE BEING SEALED TO A POSITIVE ELECTRODE AND BY SAID POSITIVE ELECTRODE BEING SEALED TO A NEGATIVE ELECTRODE AND FURTHER CHARACTERIZED BY AN ADHERENT BOND BETWEEN THE OUTER UPTURNED EDGES OF SAID POSITIVE ELECTRODE DISCS AND THE ADJACENT INTERIOR SURFACE OF SAID TUBULAR MEMBER.
Claim 2
Dependent Claim
126 words
A FLAT DRY-CELL BATTERY COMPRISING A PLURALITY OF CELLS, EACH OF WHICH COMPRISES A FLAT NEGATIVE METAL ELECTRODE DISC, A POSITIVE ELECTRODE DISC HAVING ITS OUTER MARGINAL EDGES TURNED UPWARDLY, A LIQUID ELECTROLYTE DISPOSED BETWEEN AND IN CONTACT WITH SAID ELECTRODES, END CAPS AND A SINGLE INSULATING, SEALING, CONTAINING AND STRENGTHENING TUBULAR MEMBER OF PLASTIC HAVING ELASTIC MEMORY, CHARACTERIZED BY SAID POSITIVE ELECTRODE CONSISTING OF SYNTHETIC POLYMERIC RESINOUS ELECTRICALLY CONDUCTIVE MATERIAL INERT TO CHEMICAL DEGRADATION BY SAID ELECTROLYTE AND BY SAID NEGATIVE ELECTRODE BEING SEALED TO A POSITIVE ELECTRODE AND BY SAID POSITIVE ELECTRODE BEING SEALED TO A NEGATIVE ELECTRODE AND FURTHER CHARACTERIZED BY AN ADHERENT BOND BETWEEN THE OUTER UPTURNED EDGES OF SAID POSITIVE ELECTRODE DISCS AND THE ADJACENT INTERIOR SURFACE OF SAID TUBULAR MEMBER.
References Cited (Backward Citations)
USRE22065E
Cited
FR902205A
Cited
GB617001A
Cited
US2519052A
Cited
US2650946A
Cited
US2672498A
Cited
US2671125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |