Patent US2697736A successfully refreshed from Google Patents.
US2697736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rechargeable lead dry cell
Assignee: Individual
•
Filing: 1954-03-25
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Granted: 1954-12-21
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Expires: 1974-03-25
Abstract
No abstract record available.
Inventors
- 👤 Monroe B Goldberg
- 👤 Jr Herbert B Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:36
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/20; H01M10/24; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A RECHARGEABLE DRY CELL COMPRISING A CONTAINER, A CATHODE PELLET OF COMPACTED SILVER OXIDE DISPOSED WITHIN SAID CONTAINER, A MICROPOROUS ABSORBENT BARRIER LAYER CONTAINING AN ALKALINE HYDROXIDE ELECTROLYTE AND DISPOSED IN CONTACT WITH ONE SURFACE OF SAID CATHODE PELLET, A POROUS LEAD ANODE PELLET SUPERPOSED IN CONTACT WITH SAID BARRIER LAYER, A CLOSURE ELEMENT FOR SAID CONTAINER IN ELECTRICAL CONTACT WITH SAID ANODE PELLET AND MEANS PROVIDING A SEAL BETWEEN SAID CLOSURE ELEMENT AND SAID CONTAINER OF A CHARACTER TO PROVIDE ELECTRICAL INSULATION THEREBETWEEN
Claim 2
Dependent Claim
84 words
A RECHARGEABLE DRY CELL COMPRISING A CONTAINER, A CATHODE PELLET OF COMPACTED SILVER OXIDE DISPOSED WITHIN SAID CONTAINER, A MICROPOROUS ABSORBENT BARRIER LAYER CONTAINING AN ALKALINE HYDROXIDE ELECTROLYTE AND DISPOSED IN CONTACT WITH ONE SURFACE OF SAID CATHODE PELLET, A POROUS LEAD ANODE PELLET SUPERPOSED IN CONTACT WITH SAID BARRIER LAYER, A CLOSURE ELEMENT FOR SAID CONTAINER IN ELECTRICAL CONTACT WITH SAID ANODE PELLET AND MEANS PROVIDING A SEAL BETWEEN SAID CLOSURE ELEMENT AND SAID CONTAINER OF A CHARACTER TO PROVIDE ELECTRICAL INSULATION THEREBETWEEN
References Cited (Backward Citations)
US2636062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |