US3255045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cell
Assignee: Union Carbide Corp
•
Filing: 1960-08-31
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Granted: 1966-06-07
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert A Powers
- 👤 Douglas R Allenson
- 👤 Albert C Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:58
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/04; H01M4/00; H01M4/02; H01M4/36; H01M4/58; H01M4/5825; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A DEVICE FOR PRODUCING ELECTRICAL ENERGY COMPRISING A SEALED VESSEL, AN ELECTROLYTE PARTIALLY FILLING SAID VESSEL AND DEFINING A GAS SPACE THEREIN, EXTERNAL MEANS FOR SUPPLYING HYDROGEN GAS TO SAID GAS SPACE, AN INERT CATHODE IMMERSED IN SAID ELECTROLYTE, SAID CATHODE HAVING A HIGH OVERVOLTAGE FOR THE REACTION H2-H+, AN INERT ANODE HAVING A LOW OVERVOLTAGE FOR THE SAME REACTION AND HAVING AT LEAST ON THE SURFACE THEREOF A HYDROGEN IONIZATION CATALYST, SAID ANODE BEING LOCATED AT THE INTERFACE OF SAID ELECTROLYTE AND HAVING ONE SIDE EXPOSED TO CONTACT WITH HYDROGEN GAS IN SAID GAS SPACE, AN OXIDIZED FORM OF A SOLUBLE DEPOLARIZER IN SAID ELECTROLYTE, SAID DEPOLARIZER BEING REDUCED BY ELECTROCHEMICAL ACTION WHEN SAID HYDROGEN GAS IS SUPPLIED TO SAID GAS SPACE, AND MEANS FOR CONNECTING SAID ANODE AND CATHODE TO AN EXTERNAL CIRCUIT.
Claim 2
Independent Claim
135 words
A DEVICE FOR PRODUCING ELECTRICAL ENERGY COMPRISING A SEALED VESSEL, AN ELECTROLYTE PARTIALLY FILLING SAID VESSEL AND DEFINING A GAS SPACE THEREIN, EXTERNAL MEANS FOR SUPPLYING HYDROGEN GAS TO SAID GAS SPACE, AN INERT CATHODE IMMERSED IN SAID ELECTROLYTE, SAID CATHODE HAVING A HIGH OVERVOLTAGE FOR THE REACTION H2-H+, AN INERT ANODE HAVING A LOW OVERVOLTAGE FOR THE SAME REACTION AND HAVING AT LEAST ON THE SURFACE THEREOF A HYDROGEN IONIZATION CATALYST, SAID ANODE BEING LOCATED AT THE INTERFACE OF SAID ELECTROLYTE AND HAVING ONE SIDE EXPOSED TO CONTACT WITH HYDROGEN GAS IN SAID GAS SPACE, AN OXIDIZED FORM OF A SOLUBLE DEPOLARIZER IN SAID ELECTROLYTE, SAID DEPOLARIZER BEING REDUCED BY ELECTROCHEMICAL ACTION WHEN SAID HYDROGEN GAS IS SUPPLIED TO SAID GAS SPACE, AND MEANS FOR CONNECTING SAID ANODE AND CATHODE TO AN EXTERNAL CIRCUIT.
References Cited (Backward Citations)
FR345118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |