US2882329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermogalvanic cell
Assignee: General Electric Co
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Filing: 1957-04-09
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Granted: 1959-04-14
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Expires: 1977-04-09
Abstract
No abstract record available.
Inventors
- 👤 Herman A Liebhafsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:59
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A THERMOGALVANIC CELL COMPRISING A FIRST METAL ELECTRODE, A SECOND METAL ELECTRODE FORMED OF THE SAME METAL AS SAID FIRST ELECTRODE, AND A CATION PERMEABLE ION EXCHANGE RESIN MEMBRANE ELECTROLYTE AS THE SOLE ELECTROLYTE IN DIRECT CONTACT WITH EACH OF THE AFORESAID METAL ELECTRODES AND HAVING AS ITS MOBILE CATION THE CATION OF THE ELECTRODE METAL.
Claim 2
Dependent Claim
56 words
A THERMOGALVANIC CELL COMPRISING A FIRST METAL ELECTRODE, A SECOND METAL ELECTRODE FORMED OF THE SAME METAL AS SAID FIRST ELECTRODE, AND A CATION PERMEABLE ION EXCHANGE RESIN MEMBRANE ELECTROLYTE AS THE SOLE ELECTROLYTE IN DIRECT CONTACT WITH EACH OF THE AFORESAID METAL ELECTRODES AND HAVING AS ITS MOBILE CATION THE CATION OF THE ELECTRODE METAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |