US3235407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low voltage fuel cell systems
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-04-17
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Granted: 1966-02-15
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Edward W S Nicholson
- 👤 Jr Charles E Schleckser
- 👤 Herbert H Vickers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:38
CPC Classifications
H; H01; H01M; H01M8/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A FUEL CELL COMBINATION COMPRISING A PAIR OF OPPOSED BRANCHED ELECTRODES HAVING THEIR BRANCHES INTERLEAVED TO DEFINE A CONTINUOUS AND SINUOUS ELECTROLYTE ZONE BETWEEN THEM, MEANS FOR FEEDING FUEL TO INDIVIDUAL BRANCHES ON ONE OF SAID PAIR, MEANS FOR FEEDING OXIDIZER TO INDIVIDUAL BRANCHES OF THE OTHER ONE OF SAID PAIR, AND MEANS FOR CONTROLLING THE ELECTROLYTE IN SAID ZONE, SAID BRANCHED ELECTRODES COMPRISING CONDUCTIVE FORAMINOUS MEANS ADAPTED TO SERVE SIMULTANEOUSLY AS AN ELECTRICAL CONDUCTOR AND AS A CONDUIT FOR THE FLOW OF APPROPRIATE FLUID.
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 |