US3082280A
Expired / Lapsed
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Lead accumulator electrode construction
Assignee: Tudor AB
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Filing: 1961-06-26
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Granted: 1963-03-19
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Erik G Sundberg
- 👤 Ousback Bror Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:35
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/76; H01M4/765; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
IN AN ELECTRODE ASSEMBLY FOR A LEAD STORAGE BATTERY HAVING A PLURALITY OF CORES OF CONDUCTIVE MATERIAL MOUNTED IN A SIDE BY SIDE RELATION EACH SURROUNDED WITH ACTIVE MATERIAL AND AN OPEN-ENDED OUTER TUBULAR ENVELOPE RESISTANT TO AND PERMEABLE BY THE ELECTROLYTE SURROUNDING AND CONFINING SAID ACTIVE MATERIAL TOGETHER WITH MEANS PLUGGING SAID ENVELOPE OPEN END: MEANS FOR MOUNTING SAID ENVELOPE IN A POSITION CONCENTRIC ABOUT THE AXIS OF ITS RESPECTIVE CORE OF CONDUCTIVE MATERIAL COMPRISING A RING SHAPED SPACER MEMBER HAVING AN OUTER SURFACE OF ELECTROLYTE RESISTANT NON-CONDUCTIVE MATERIAL AND AN INNER SURFACE CONTACTING SAID CORE, SAID SPACER MEMBER HAVING
References Cited (Backward Citations)
GB291138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |