US3287169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell having a hollow foraminous electrode
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1965-04-09
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Granted: 1966-11-22
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Expires: 1985-04-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred N Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:54
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/04; H01M8/04007; H01M4/00; H01M4/86; H01M4/8605; H01M4/8626; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A FUEL CELL COMPRISING A CASING CONTAINING AN ELECTROLYTE AND HAVING SEPARATE OXIDIZING GAS AND FUEL GAS CAVITIES SEPARATED FROM SAID ELECTROLYTE BY GAS DIFFUSION ELECTRODES, AT LEAST ONE OF SAID ELECTRODES COMPRISING A FORAMINOUS BODY FORMED OF SUBSTANTIALLY HOLLOW STRANDS OF AN ELECTRICALLY CONDUCTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF METALS AND METAL ALLOYS UNITED AT THEIR POINTS OF CONTACT, MEANS FOR INTRODUCING A COOLANT FLUID TO THE INTERIOR OF SAID HOLLOW STANDS OF SAID ELECTRODE, MEANS FOR WITHDRAWING COOLANT FLUID FROM SAID HOLLOW STANDS, AND MEANS FOR CIRCULATING SAID FLUID COOLANT BETWEEN COOLING MEANS FOR SAID COOLANT FLUID AND SAID ELECTROODE.
Claim 2
Dependent Claim
104 words
A FUEL CELL COMPRISING A CASING CONTAINING AN ELECTROLYTE AND HAVING SEPARATE OXIDIZING GAS AND FUEL GAS CAVITIES SEPARATED FROM SAID ELECTROLYTE BY GAS DIFFUSION ELECTRODES, AT LEAST ONE OF SAID ELECTRODES COMPRISING A FORAMINOUS BODY FORMED OF SUBSTANTIALLY HOLLOW STRANDS OF AN ELECTRICALLY CONDUCTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF METALS AND METAL ALLOYS UNITED AT THEIR POINTS OF CONTACT, MEANS FOR INTRODUCING A COOLANT FLUID TO THE INTERIOR OF SAID HOLLOW STANDS OF SAID ELECTRODE, MEANS FOR WITHDRAWING COOLANT FLUID FROM SAID HOLLOW STANDS, AND MEANS FOR CIRCULATING SAID FLUID COOLANT BETWEEN COOLING MEANS FOR SAID COOLANT FLUID AND SAID ELECTROODE.
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |