Patent US2627531A successfully refreshed from Google Patents.
US2627531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous electrode
Assignee: Individual
•
Filing: 1948-12-08
•
Granted: 1953-02-03
•
Expires: 1968-12-08
Abstract
No abstract record available.
Inventors
- 👤 Vogt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:32
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/80; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
AN ELECTRODE FOR ACCUMULATORS CONTAINING AN ELECTRO-CHEMICALLY ACTIVE SUBSTANCE AND HAVING A BODY COMPRISED OF TWO INTERTWINED YET DISTINCT POROUS MASSES OF A DISTINCTLY DIFFERENT ORDER OF PORE SIZE, SAID LARGER-PORED MASS BEING OF IRREGULAR CONFORMATION AND SAID SMALLER-PORED MASS BEING A SINTER MASS OF SUBSTANTIALLY UNIFORM POROSITY, WITH SAID ELECTRO-CHEMICALLY ACTIVE SUBSTANCE CONTAINED WITHIN THE PORES OF SAID SMALLER-PORED MASS.
Claim 2
Dependent Claim
61 words
AN ELECTRODE FOR ACCUMULATORS CONTAINING AN ELECTRO-CHEMICALLY ACTIVE SUBSTANCE AND HAVING A BODY COMPRISED OF TWO INTERTWINED YET DISTINCT POROUS MASSES OF A DISTINCTLY DIFFERENT ORDER OF PORE SIZE, SAID LARGER-PORED MASS BEING OF IRREGULAR CONFORMATION AND SAID SMALLER-PORED MASS BEING A SINTER MASS OF SUBSTANTIALLY UNIFORM POROSITY, WITH SAID ELECTRO-CHEMICALLY ACTIVE SUBSTANCE CONTAINED WITHIN THE PORES OF SAID SMALLER-PORED MASS.
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Cited
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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) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |