Patent US2985701A successfully refreshed from Google Patents.
US2985701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery electrodes
Assignee: Individual
•
Filing: 1953-06-29
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Granted: 1961-05-23
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Expires: 1973-06-29
Abstract
No abstract record available.
Inventors
- 👤 Helen E Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:56
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/76; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A STORAGE BATTERY ELECTRODE COMPRISING AN ENCLOSURE OF WOVEN CERAMIC CLOTH, A PARTICULATE POROUS COHERENT METAL COATING ON THE INNER SURFACE OF SAID CLOTH ENCLOSURE, SAID COATING HAVING THE PARTICLES MECHANICALLY AND ELECTRICALLY BONDED TO THE CLOTH ENCLOSURE, ACTIVE BATTERY MATERIAL UNDER PRESSURE INSIDE THE POROUS METAL COATING AND A RIGID SUPPORT CLAMPED EXTERNALLY ABOUT SAID CLOTH ENCLOSURE, AND HAVING A TERMINAL IMPERVIOUS TO THE SEEPAGE OF ELECTROLYTE COMPRISING A POROUS CONDUCTIVE PARTICULATE METAL IMPREGNATED WITH A MOLTEN DIELECTRIC.
Claim 2
Dependent Claim
79 words
A STORAGE BATTERY ELECTRODE COMPRISING AN ENCLOSURE OF WOVEN CERAMIC CLOTH, A PARTICULATE POROUS COHERENT METAL COATING ON THE INNER SURFACE OF SAID CLOTH ENCLOSURE, SAID COATING HAVING THE PARTICLES MECHANICALLY AND ELECTRICALLY BONDED TO THE CLOTH ENCLOSURE, ACTIVE BATTERY MATERIAL UNDER PRESSURE INSIDE THE POROUS METAL COATING AND A RIGID SUPPORT CLAMPED EXTERNALLY ABOUT SAID CLOTH ENCLOSURE, AND HAVING A TERMINAL IMPERVIOUS TO THE SEEPAGE OF ELECTROLYTE COMPRISING A POROUS CONDUCTIVE PARTICULATE METAL IMPREGNATED WITH A MOLTEN DIELECTRIC.
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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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |