Patent US2933547A successfully refreshed from Google Patents.
US2933547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state electric cell
Assignee: General Electric Co
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Filing: 1955-06-29
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Granted: 1960-04-19
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Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Willard T Grubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:35
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/056; H01M10/0561; H01M10/0562; H01M6/00; H01M6/14; H01M6/18; H01M6/181; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CELL FREE OF MECHANICALLY REMOVABLE FLUID COMPRISING A FIRST METAL ELECTRODE, A FIRST CATION PERMEABLE ION-EXCHANGE RESIN MEMBRANE IN DIRECT CONTACT WITH SAID FIRST METAL ELECTRODE, A SECOND CATION PERMEABLE ION-EXCHANGE RESIN MEMBRANE IN DIRECT CONTACT WITH SAID FIRST MEMBRANE, AND A SECOND METAL ELECTRODE IN DIRECT CONTACT WITH SAID SECOND MEMBRANE, SAID FIRST MEMBRANE HAVING AS ITS MOBILE CATION A CATION OF THE METAL OF WHICH SAID FIRST ELECTRODE IS COMPOSED, SAID MEMBRANE HAVING AS ITS MOBILE CATION A CATION OF THE METAL OF WHICH SAID SECOND ELECTRODE IS COMPOSED, SAID SECOND ELECTRODE BEING FORMED OF A METAL WHICH HAS AN ELECTRODE POTENTIAL DIFFERENT FROM THE ELECTRODE POTENTIAL OF SAID FIRST ELECTRODE, AND SAID FIRST MEMBRANE AND SAID SECOND MEMBRANE BEING SUBSTANTIALLY SATURATED WITH A POLAR LIQUID.
Claim 2
Dependent Claim
129 words
A CELL FREE OF MECHANICALLY REMOVABLE FLUID COMPRISING A FIRST METAL ELECTRODE, A FIRST CATION PERMEABLE ION-EXCHANGE RESIN MEMBRANE IN DIRECT CONTACT WITH SAID FIRST METAL ELECTRODE, A SECOND CATION PERMEABLE ION-EXCHANGE RESIN MEMBRANE IN DIRECT CONTACT WITH SAID FIRST MEMBRANE, AND A SECOND METAL ELECTRODE IN DIRECT CONTACT WITH SAID SECOND MEMBRANE, SAID FIRST MEMBRANE HAVING AS ITS MOBILE CATION A CATION OF THE METAL OF WHICH SAID FIRST ELECTRODE IS COMPOSED, SAID MEMBRANE HAVING AS ITS MOBILE CATION A CATION OF THE METAL OF WHICH SAID SECOND ELECTRODE IS COMPOSED, SAID SECOND ELECTRODE BEING FORMED OF A METAL WHICH HAS AN ELECTRODE POTENTIAL DIFFERENT FROM THE ELECTRODE POTENTIAL OF SAID FIRST ELECTRODE, AND SAID FIRST MEMBRANE AND SAID SECOND MEMBRANE BEING SUBSTANTIALLY SATURATED WITH A POLAR LIQUID.
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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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |