US3479225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen depolarized electrochemical modular units
Assignee: Leesona Corp
•
Filing: 1966-03-15
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Granted: 1969-11-18
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Expires: 1986-03-15
Abstract
No abstract record available.
Inventors
- 👤 Stewart M Chodosh
- 👤 Emanuel G Katsoulis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:21
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/04; H01M12/06; H01M12/065; H01M4/00; H01M4/02; H01M2004/024; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
AN IMPROVED METAL/OR OR METAL/OXYGEN ELECTROCHEMICAL UNIT COMPRISING AN ENVELOPE CATHODE COMPRISING A HYDROPHOBIC MEMBRANE AND A CONDUCTIVE CATALYTIC COATING ON THE INNER SURFACE OF SAID MEMBRANE, A REPLACEABLE MODULAR ANODE POSITIONED WITHIN SAID CATHODE, AN ELECTROLYTE BETWEEN THE ANODE AND CATHODE, SAID CATHODE COMPRISING AT LEAST 4 INDIVIDUAL SURFACES, AT LEAST TWO OF
Claim 2
Dependent Claim
54 words
AN IMPROVED METAL/OR OR METAL/OXYGEN ELECTROCHEMICAL UNIT COMPRISING AN ENVELOPE CATHODE COMPRISING A HYDROPHOBIC MEMBRANE AND A CONDUCTIVE CATALYTIC COATING ON THE INNER SURFACE OF SAID MEMBRANE, A REPLACEABLE MODULAR ANODE POSITIONED WITHIN SAID CATHODE, AN ELECTROLYTE BETWEEN THE ANODE AND CATHODE, SAID CATHODE COMPRISING AT LEAST 4 INDIVIDUAL SURFACES, AT LEAST TWO OF
References Cited (Backward Citations)
US744989A
Cited
US3378406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |