Patent US3031518A successfully refreshed from Google Patents.
US3031518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cells
Assignee: MSA Safety Inc
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Filing: 1959-07-24
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Granted: 1962-04-24
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Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Robert C Werner
- 👤 Robert E Shearer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:55
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/18; H01M8/182; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THAT METHOD OF GENERATING ELECTRIC CURRENT COMPRISING PROVIDING A CELL CONTAINING A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METALS AS ONE ELECTRODE AND A SECOND IONIZABLE GASEOUS ELECTRODE, SAID ELECTRODES COMBINING ELECTROCHEMICALLY WITH ONE ANOTHER IN THE USE OF THE CELL OF FORM A BINARY COMPOUND WHICH IS DECOMPOSABLE AT A TEMPERATURE ABOVE THE CELL OPERATING TEMPERATURE TO REGENERATE SAID ELECTRODE MATERIALS, AND AN ELECTROLYTE IN CONTACT WITH SAID ELECTRODES THAT IS A INERT SOLVENT FOR SAID BINARY COMPOUND, AND DRAWING CURRENT FROM SAID CELL AT SAID COMPOUND FORMING TEMPERATURE.
Claim 2
Dependent Claim
95 words
THAT METHOD OF GENERATING ELECTRIC CURRENT COMPRISING PROVIDING A CELL CONTAINING A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METALS AS ONE ELECTRODE AND A SECOND IONIZABLE GASEOUS ELECTRODE, SAID ELECTRODES COMBINING ELECTROCHEMICALLY WITH ONE ANOTHER IN THE USE OF THE CELL OF FORM A BINARY COMPOUND WHICH IS DECOMPOSABLE AT A TEMPERATURE ABOVE THE CELL OPERATING TEMPERATURE TO REGENERATE SAID ELECTRODE MATERIALS, AND AN ELECTROLYTE IN CONTACT WITH SAID ELECTRODES THAT IS A INERT SOLVENT FOR SAID BINARY COMPOUND, AND DRAWING CURRENT FROM SAID CELL AT SAID COMPOUND FORMING TEMPERATURE.
References Cited (Backward Citations)
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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) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |