US3364070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell control system
Assignee: Leesona Corp
•
Filing: 1961-05-18
•
Granted: 1968-01-16
•
Expires: 1981-05-18
Abstract
No abstract record available.
Inventors
- 👤 Laurence R Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:41
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/04; H01M8/04082; H01M8/04089; H01M8/04104; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PRESSURE CONTROL SYSTEM, COMPRISING: A FUEL CELL WHEREIN TWO FLUIDS CHEMICALLY REACT WITH AN ELECTROLYTIC MATERIAL TO LIBERATE ELECTRICAL ENERGY WHICH CAN FLOW THROUGH AN EXTERNAL ELECTRIC CIRCUIT; SUPPLY MEANS INCLUDING TWO FLUID FUELS SUPPLIED FOR CONSUMPTION IN SAID FUEL CELL; DIFFERENTIAL PRESSURE CONTROL VALVE MEANS CONNECTED TO SAID SUPPLY MEANS AND HAVING SEPARATE CONTROLABLE PASSAGES TO ALLOW SAID FUELS TO PASS THROUGH SAID VALVE MEANS; SAID CONTRLLABLE PASSAGES EACH BEING OPERATED IN RESPONSE TO A POSITION OF DIAPHRAGM MEANS.
Claim 2
Dependent Claim
81 words
A PRESSURE CONTROL SYSTEM, COMPRISING: A FUEL CELL WHEREIN TWO FLUIDS CHEMICALLY REACT WITH AN ELECTROLYTIC MATERIAL TO LIBERATE ELECTRICAL ENERGY WHICH CAN FLOW THROUGH AN EXTERNAL ELECTRIC CIRCUIT; SUPPLY MEANS INCLUDING TWO FLUID FUELS SUPPLIED FOR CONSUMPTION IN SAID FUEL CELL; DIFFERENTIAL PRESSURE CONTROL VALVE MEANS CONNECTED TO SAID SUPPLY MEANS AND HAVING SEPARATE CONTROLABLE PASSAGES TO ALLOW SAID FUELS TO PASS THROUGH SAID VALVE MEANS; SAID CONTRLLABLE PASSAGES EACH BEING OPERATED IN RESPONSE TO A POSITION OF DIAPHRAGM MEANS.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |