US3265535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accumulator electrode sheath
Assignee: Tudor AB
•
Filing: 1964-06-29
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Granted: 1966-08-09
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Erik G Sundberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:06
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: 2
Claim 1
Independent Claim
92 words
A TUBULAR ELECTRODE FOR USE IN A TUBE PLATE TYPE ELECTRODE FOR A STORAGE BATTERY COMPRISING: A ROD OF CONDUCTIVE MATERIAL; ACTIVE MATERIAL SURROUNDING SAID ROD; AND A TUBULAR INSULATING SHEATH SURROUNDING SAID ACTIVE MATERIAL IN PLACE, SAID SHEATH BEING FORMED OF A LAMINATE COMPRISING TWO PERFORATED SHEETS OF A PLASTIC MATERIAL THAT IS RESISTANT TO DETERIORATIVE CHEMICAL ATTACK BY SAID ELECTROLYTE, SAID SHEETS BEING ARRANGED WITH THEIR PERFORATIONS SUBSTANTIALLY IN ALIGNMENT AND DISPOSED ON OPPOSITE SIDES OF A LAYER OF FIBROUS MATERIAL WITH THE FIBERS PENETRATING PARTIALLY INTO THE SHEET MATERIAL.
Claim 2
Dependent Claim
92 words
A TUBULAR ELECTRODE FOR USE IN A TUBE PLATE TYPE ELECTRODE FOR A STORAGE BATTERY COMPRISING: A ROD OF CONDUCTIVE MATERIAL; ACTIVE MATERIAL SURROUNDING SAID ROD; AND A TUBULAR INSULATING SHEATH SURROUNDING SAID ACTIVE MATERIAL IN PLACE, SAID SHEATH BEING FORMED OF A LAMINATE COMPRISING TWO PERFORATED SHEETS OF A PLASTIC MATERIAL THAT IS RESISTANT TO DETERIORATIVE CHEMICAL ATTACK BY SAID ELECTROLYTE, SAID SHEETS BEING ARRANGED WITH THEIR PERFORATIONS SUBSTANTIALLY IN ALIGNMENT AND DISPOSED ON OPPOSITE SIDES OF A LAYER OF FIBROUS MATERIAL WITH THE FIBERS PENETRATING PARTIALLY INTO THE SHEET MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |