Patent US3421996A successfully refreshed from Google Patents.
US3421996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Batteries of electrochemical cells containing electrolyte metering tubes
Assignee: Motors Liquidation Co
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Filing: 1966-03-02
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Granted: 1969-01-14
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Robert A Coval
- 👤 Charles W Schade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:58
CPC Classifications
C; C25; C25B; C25B15/00; C25B15/08; C25B9/00; C25B9/70; H; H01; H01M; H01M50/00; H01M50/70; H01M50/77; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348; Y10T137/86372
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A BATTERY OF ELECTROCHEMICAL CELLS WHEREIN EACH CELL COMPRISES AN ANODE, A CATHODE, AND AN ELECTRICAL INSULATOR SEPARATING SAID ANODE AND SAID CATHODE AND FORMING AN ELECTROLYTE CHAMBER BETWEEN SAID ANODE AND SAID CATHODE, SAID ELECTRICAL INSULATOR HAVING AN ELECTROLYTE INLET PORT THEREIN SAID INSULATORS BEING PROVIDED WITH ALIGNED HOLES CONNECTING SAID INLET PORTS, A MEANS FOR METERING THE FLWO OF ELECTROLYTE TO EACH OF SAID ELECTROLYTE CHAMBERS OF SAID CELLS OF SAID BATTERY COMPRISING AT LEAST ONE LONGITUDINALLY EXTENDING TUBE PASSING THROUGH SAID ALIGNED HOLES AND PROVIDED WITH A LONGITUDINAL SLOT IN REGISTERED RELATION TO SAID PORTS WHEREBY ORIFICES ARE FORMED AT THE JUNCTIONS OF SAID PORTS AND SAID SLOT, EACH ORIFICE HAVING A CROSS SECTIONAL AREA EQUAL TO THE WIDTH OF SAID SLOT BY THE DEPTH OF SAID PORTS.
Claim 2
Dependent Claim
132 words
IN A BATTERY OF ELECTROCHEMICAL CELLS WHEREIN EACH CELL COMPRISES AN ANODE, A CATHODE, AND AN ELECTRICAL INSULATOR SEPARATING SAID ANODE AND SAID CATHODE AND FORMING AN ELECTROLYTE CHAMBER BETWEEN SAID ANODE AND SAID CATHODE, SAID ELECTRICAL INSULATOR HAVING AN ELECTROLYTE INLET PORT THEREIN SAID INSULATORS BEING PROVIDED WITH ALIGNED HOLES CONNECTING SAID INLET PORTS, A MEANS FOR METERING THE FLWO OF ELECTROLYTE TO EACH OF SAID ELECTROLYTE CHAMBERS OF SAID CELLS OF SAID BATTERY COMPRISING AT LEAST ONE LONGITUDINALLY EXTENDING TUBE PASSING THROUGH SAID ALIGNED HOLES AND PROVIDED WITH A LONGITUDINAL SLOT IN REGISTERED RELATION TO SAID PORTS WHEREBY ORIFICES ARE FORMED AT THE JUNCTIONS OF SAID PORTS AND SAID SLOT, EACH ORIFICE HAVING A CROSS SECTIONAL AREA EQUAL TO THE WIDTH OF SAID SLOT BY THE DEPTH OF SAID PORTS.
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |