US3096215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed storage battery
Assignee: VARTA AG
•
Filing: 1960-04-11
•
Granted: 1963-07-02
•
Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Voss Ernst
- 👤 Dehmelt Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:48
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/34; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A STORAGE BATTERY, IN COMBINATION, A CASING; MEANS FOR HERMETICALLY SEALING SAID CASING; A FREE FLOWING LIQUID ELECTROLYTE IN SAID CASING FILLING THE SAME BUT PARTLY SO AS TO DEFINE A GAS SPACE WITHIN SAID CASING; POSITIVE AND NEGATIVE ELECTRODES IN SAID CASING SUBSTANTIALLY SUBMERGED IN SAID FREE FLOWING LIQUID ELECTROLYTE; AND AN AUXILIARY GAS-CONSUMING ELECTRODE CONSISTING ESSENTIALLY SUBMERGED TRICALLY CONDUCTIVE MATERIAL WHICH IS INERT WITH RESPECT TO SAID LIQUID ELECTROLYTE LOCATED IN SAID CASING SPACED FROM SAID POSITIVE AND NEGATIVE ELECTRODES AND ELECTRICALLY CONNECTED TO ONE OF SAID ELECTRODES, SAID AUXILIARY ELECTRODE HAVING A MAJOR EXTERIOR SURFACE PORTION IN CONTACT WITH SAID LIQUID ELECTROLYTE AND BEING FORMED WITH A CAVITY OPENING INTO SAID GAS SPACE SO THAT THE INTERIOR SURFACE OF SAID AUXILIARY ELECTRODE FORMED BY SAID CAVITY COMMUNICATES WITH SAID GAS SPACE AND SAID CAVITY WILL BE SUBSTANTIALLY FREE OF LIQUID ELECTROLYTE.
Claim 2
Dependent Claim
145 words
IN A STORAGE BATTERY, IN COMBINATION, A CASING; MEANS FOR HERMETICALLY SEALING SAID CASING; A FREE FLOWING LIQUID ELECTROLYTE IN SAID CASING FILLING THE SAME BUT PARTLY SO AS TO DEFINE A GAS SPACE WITHIN SAID CASING; POSITIVE AND NEGATIVE ELECTRODES IN SAID CASING SUBSTANTIALLY SUBMERGED IN SAID FREE FLOWING LIQUID ELECTROLYTE; AND AN AUXILIARY GAS-CONSUMING ELECTRODE CONSISTING ESSENTIALLY SUBMERGED TRICALLY CONDUCTIVE MATERIAL WHICH IS INERT WITH RESPECT TO SAID LIQUID ELECTROLYTE LOCATED IN SAID CASING SPACED FROM SAID POSITIVE AND NEGATIVE ELECTRODES AND ELECTRICALLY CONNECTED TO ONE OF SAID ELECTRODES, SAID AUXILIARY ELECTRODE HAVING A MAJOR EXTERIOR SURFACE PORTION IN CONTACT WITH SAID LIQUID ELECTROLYTE AND BEING FORMED WITH A CAVITY OPENING INTO SAID GAS SPACE SO THAT THE INTERIOR SURFACE OF SAID AUXILIARY ELECTRODE FORMED BY SAID CAVITY COMMUNICATES WITH SAID GAS SPACE AND SAID CAVITY WILL BE SUBSTANTIALLY FREE OF LIQUID ELECTROLYTE.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |