US3202545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodes for storage batteries, fuel cells and the like, and method of manufacturing same
Assignee: SAFT Societe des Accumulateurs Fixes et de Traction SA
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Filing: 1961-05-15
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Granted: 1965-08-24
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Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Emeriat Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:14
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/8605; H01M4/8626; H01M4/02; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A METHOD OF MANUFACTURING AN ELECTRODE INCLUDING THE STEPS OF FORMING AN ELECTRICALLY CONDUCTING SUPPORTING FRAME CONSTITUTED BY A THIN RIGID PLATE OF POLYSTYRENE INCORPORATING A CONDUCTIVE MEDIUM, SAID FRAME HAVING RIBS ON AT LEAST ONE FACE, SAID RIBS DELIMITING CAVITIES DISPOSED ACCORDING TO A SUBSTANTIALLY HONEYCOMB PATTERN, PROVIDING AN AGGLOMERATE OF ACTIVE PARTICLES BOUND TOGETHER BY POLYSTYRENE AS A BINDING AGENT, DISSOLVING THE BINDING AGENT OF SAID AGGLOMERATE IN A SOLVENT WHICH IS ALSO A SOLVENT FOR SAID POLYSTYRENE CONSTITUTING THE FRAME, APPLYING SAID AGGLOMERATE CONTAINING THE DISSOLVED BINDING AGENT INTO THE CAVITIES OF SAID FRAME, AND EVAPORATING THE SOLVENT OF SAID SO APPLIED AGGLOMERATE SO AS TO OBTAIN IN SAID CAVITIES AFTER EVAPORATION OF THE SOLVENT AN ACTIVE PORTION OF RESIDUE THAT IS PREVIOUS TO GASES AND IMPERVIOUS TO LIQUIDS COMPRISING NUMEROUS SMALL OPENINGS THROUGH ITS THICKNESS AND WHICH RESIDUE ADHERES TO THE BOTTOM AND THE WALLS OF SAID CAVITIES AS A RESULT OF ACTION OF THE SOLVENT PRIOR TO EVAPORATION ON THE SYNTHETIC MATERIAL OF THE FRAME.
Claim 2
Independent Claim
170 words
A METHOD OF MANUFACTURING AN ELECTRODE INCLUDING THE STEPS OF FORMING AN ELECTRICALLY CONDUCTING SUPPORTING FRAME CONSTITUTED BY A THIN RIGID PLATE OF POLYSTYRENE INCORPORATING A CONDUCTIVE MEDIUM, SAID FRAME HAVING RIBS ON AT LEAST ONE FACE, SAID RIBS DELIMITING CAVITIES DISPOSED ACCORDING TO A SUBSTANTIALLY HONEYCOMB PATTERN, PROVIDING AN AGGLOMERATE OF ACTIVE PARTICLES BOUND TOGETHER BY POLYSTYRENE AS A BINDING AGENT, DISSOLVING THE BINDING AGENT OF SAID AGGLOMERATE IN A SOLVENT WHICH IS ALSO A SOLVENT FOR SAID POLYSTYRENE CONSTITUTING THE FRAME, APPLYING SAID AGGLOMERATE CONTAINING THE DISSOLVED BINDING AGENT INTO THE CAVITIES OF SAID FRAME, AND EVAPORATING THE SOLVENT OF SAID SO APPLIED AGGLOMERATE SO AS TO OBTAIN IN SAID CAVITIES AFTER EVAPORATION OF THE SOLVENT AN ACTIVE PORTION OF RESIDUE THAT IS PREVIOUS TO GASES AND IMPERVIOUS TO LIQUIDS COMPRISING NUMEROUS SMALL OPENINGS THROUGH ITS THICKNESS AND WHICH RESIDUE ADHERES TO THE BOTTOM AND THE WALLS OF SAID CAVITIES AS A RESULT OF ACTION OF THE SOLVENT PRIOR TO EVAPORATION ON THE SYNTHETIC MATERIAL OF THE FRAME.
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |