Patent US3245837A successfully refreshed from Google Patents.
US3245837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed storage batteries
Assignee: Sanyo Electric Co Ltd
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Filing: 1963-04-11
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Granted: 1966-04-12
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Expires: 1983-04-11
Abstract
No abstract record available.
Inventors
- 👤 Ikeda Hironosuke
- 👤 Ohira Yasuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:32
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/78; H01M10/00; H01M10/34; H01M50/00; H01M50/50; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A HERMETICALLY SEALED ELECTRICAL STORAGE BATTERY COMPRISING: A HOLLOW OUTER CASE CLOSED AT ONE END AND HAVING AN ELECTROLYTE THEREIN, A PLURALITY OF HOLLOW POSITIVE AND NEGATIVE ELECTRODES OF THE SAME GENERAL SHAPE AS SAID CASE AND DISPOSED CONCENTRICALLY AND ALTERNATELY THEREIN; EACH SAID ELECTRODE SPLIT ALONG IT LONGITUDINAL AXIS AND FORMED OF A PLURALITY OF PARTS, A BARRIER LAYER INTERPOSED BETWEEN TWO ADJACENT ELECTRODES, A STRIP OF CONDUCTIVE AND RESILENT MATERIAL FORMED IN A GENERALLY V-SHAPE WITH A PLURALITY OF LEGS WHICH TEND TO EXPAND OUTWARDLY, SAID LEGS BEING LOCATED IN THE BORE DEFINED BY THE PARTS OF THE INNERMOST HOLLOW ELECTRODE WHEREBY SAID LEGS EXPAND OUTWARDLY TO
Claim 2
Dependent Claim
109 words
A HERMETICALLY SEALED ELECTRICAL STORAGE BATTERY COMPRISING: A HOLLOW OUTER CASE CLOSED AT ONE END AND HAVING AN ELECTROLYTE THEREIN, A PLURALITY OF HOLLOW POSITIVE AND NEGATIVE ELECTRODES OF THE SAME GENERAL SHAPE AS SAID CASE AND DISPOSED CONCENTRICALLY AND ALTERNATELY THEREIN; EACH SAID ELECTRODE SPLIT ALONG IT LONGITUDINAL AXIS AND FORMED OF A PLURALITY OF PARTS, A BARRIER LAYER INTERPOSED BETWEEN TWO ADJACENT ELECTRODES, A STRIP OF CONDUCTIVE AND RESILENT MATERIAL FORMED IN A GENERALLY V-SHAPE WITH A PLURALITY OF LEGS WHICH TEND TO EXPAND OUTWARDLY, SAID LEGS BEING LOCATED IN THE BORE DEFINED BY THE PARTS OF THE INNERMOST HOLLOW ELECTRODE WHEREBY SAID LEGS EXPAND OUTWARDLY TO
References Cited (Backward Citations)
US3116172A
Cited
US3069485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |