US3414437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid circulating battery system
Assignee: Electromechanical Devices Inc
•
Filing: 1963-05-13
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Granted: 1968-12-03
•
Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 George J Doundoulakis
- 👤 Carathanassis Emmanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:25
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/22; H01M8/225; H01M8/18; H01M8/184; H01M4/00; H01M4/02; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A BATTERY COMPRISING MEANS DEFINING A POSITIVE ELECTRODE CHAMBER AND A NEGATIVE ELECTRODE CHAMBER IONICALLY CONNECTED TO SAID POSITIVE ELECTRODE CHAMBER, FLUID ELECTROLYTE IN SAID POSITIVE AND NEGATIVE ELECTRODE CHAMBERS ELECTRICALLY CHARGED POLARIZED CATHODIC AND ANODIC MATERIALS OF THE SOLID PARTICLE TYPE FOR THE RESPECTIVE POLARITIES MOVABLY CARRIED IN SUSPENSION IN SAID FLUID ELECTROLYTE IN EACH OF THE RESPECTIVE CHAMBERS, IONICALLY PERMEABLE FILTER MEANS SEPARATING SAID POSITIVE AND NEGATIVE ELECTRODE CHAMBERS AND PREVENTING MOVEMENT OF SAID CATHODIC AND ANODIC MATERIALS FROM ONE CHAMBER TO THE OPPOSITE CHAMBER WHILE PERMITTING MOVEMENT OF ANIONS AND CATIONS BETWEEN THE CHAMBERS, AND AN ELECTRODE TERMINAL MEANS IN EACH OF SAID CHAMBERS OPERABLE TO ALLOW SAID SUSPENDED CATHODIC AND ANODIC MATERIALS TO EXCHANGE ELECTRICAL CHARGES THEREWITH.
Claim 2
Dependent Claim
121 words
A BATTERY COMPRISING MEANS DEFINING A POSITIVE ELECTRODE CHAMBER AND A NEGATIVE ELECTRODE CHAMBER IONICALLY CONNECTED TO SAID POSITIVE ELECTRODE CHAMBER, FLUID ELECTROLYTE IN SAID POSITIVE AND NEGATIVE ELECTRODE CHAMBERS ELECTRICALLY CHARGED POLARIZED CATHODIC AND ANODIC MATERIALS OF THE SOLID PARTICLE TYPE FOR THE RESPECTIVE POLARITIES MOVABLY CARRIED IN SUSPENSION IN SAID FLUID ELECTROLYTE IN EACH OF THE RESPECTIVE CHAMBERS, IONICALLY PERMEABLE FILTER MEANS SEPARATING SAID POSITIVE AND NEGATIVE ELECTRODE CHAMBERS AND PREVENTING MOVEMENT OF SAID CATHODIC AND ANODIC MATERIALS FROM ONE CHAMBER TO THE OPPOSITE CHAMBER WHILE PERMITTING MOVEMENT OF ANIONS AND CATIONS BETWEEN THE CHAMBERS, AND AN ELECTRODE TERMINAL MEANS IN EACH OF SAID CHAMBERS OPERABLE TO ALLOW SAID SUSPENDED CATHODIC AND ANODIC MATERIALS TO EXCHANGE ELECTRICAL CHARGES THEREWITH.
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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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |