US3235406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic electric cells
Assignee: Engelhard Industries Inc
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Filing: 1960-08-24
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Granted: 1966-02-15
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Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 Johann G E Cohn
- 👤 Anna P Hauel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:57
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/04; H01M4/00; H01M4/02; H01M4/36; H01M4/60; H01M6/00; H01M6/04; H01M8/00; H01M8/08; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN AN ELECTRICITY GENERATING CELL OF THE TYPE HAVING AN ANODE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND ZINC, A CATHODE AND AN ELECTROLYTE IN CONTACT WITH SAID ANODE AND SAID CATHODE, AND WHEREIN ELECTRICITY IS GENERATED BY REDUCTION OF AN ORGANIC CATHODIC REACTANT SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBON COMPOUNDS, ACETYLENIC COMPOUNDS AND NITRO COMPOUNDS IN CONTACT WITH SAID CATHODE, THE IMPROVEMENT CONSISTING OF A CATHODE HAVING SUPPORTED THEREON A PLATINUM GROUP METAL CATALYST.
Claim 2
Dependent Claim
78 words
IN AN ELECTRICITY GENERATING CELL OF THE TYPE HAVING AN ANODE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM AND ZINC, A CATHODE AND AN ELECTROLYTE IN CONTACT WITH SAID ANODE AND SAID CATHODE, AND WHEREIN ELECTRICITY IS GENERATED BY REDUCTION OF AN ORGANIC CATHODIC REACTANT SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBON COMPOUNDS, ACETYLENIC COMPOUNDS AND NITRO COMPOUNDS IN CONTACT WITH SAID CATHODE, THE IMPROVEMENT CONSISTING OF A CATHODE HAVING SUPPORTED THEREON A PLATINUM GROUP METAL CATALYST.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |