US3170818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed miniature storage battery
Assignee: VARTA AG
•
Filing: 1960-10-14
•
Granted: 1965-02-23
•
Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Horn Lutz
- 👤 Philipp Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:35
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/0422; H01M10/0427; H01M10/34; H01M50/00; H01M50/50; H01M6/00; H01M6/42; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN HERMETICALLY SEALED MINIATURE STORAGE BATTERY OF THE ALKALINE TYPE COMPRISING AT LEAST ONE CELL, EACH CELL HAVING A POSITIVE ELECTRODE AND A NEGATIVE ELECTRODE, EACH ELECTRODE COMPRISING A POROUS METALLIC STRUCTURE, THE ELECTROCHEMICAL CAPACITY OF THE NEGATIVE ELECTRODE BEING AT LEAST TWICE THAT OF THE POSITIVE ELECTRODE, A SEPARATOR DISPOSED BETWEEN SAID ELECTRODES, SAID SEPARATOR HAVING A CAPILLARY STRUCTURE PERVIOUS TO GAS, AN ALKALINE ELECTOLYTE SUBSTANTIALLY COMPLETELY ABSORBED BY SAID SEPARATOR AND IMMOBILIZED THEREIN BY THE SAID CAPILLARY STRUCTURE, A METALLIC CASING HAVING AN OPEN END, SAID CASING BEING PROPORTIONED TO RECEIVE AND HOUSW SAID POSITIVE ELECTRODE, SAID SEPARATOR AND ELECTROLYTE AND SAID NEGATIVE ELECTRODE IN
Claim 2
Dependent Claim
107 words
AN HERMETICALLY SEALED MINIATURE STORAGE BATTERY OF THE ALKALINE TYPE COMPRISING AT LEAST ONE CELL, EACH CELL HAVING A POSITIVE ELECTRODE AND A NEGATIVE ELECTRODE, EACH ELECTRODE COMPRISING A POROUS METALLIC STRUCTURE, THE ELECTROCHEMICAL CAPACITY OF THE NEGATIVE ELECTRODE BEING AT LEAST TWICE THAT OF THE POSITIVE ELECTRODE, A SEPARATOR DISPOSED BETWEEN SAID ELECTRODES, SAID SEPARATOR HAVING A CAPILLARY STRUCTURE PERVIOUS TO GAS, AN ALKALINE ELECTOLYTE SUBSTANTIALLY COMPLETELY ABSORBED BY SAID SEPARATOR AND IMMOBILIZED THEREIN BY THE SAID CAPILLARY STRUCTURE, A METALLIC CASING HAVING AN OPEN END, SAID CASING BEING PROPORTIONED TO RECEIVE AND HOUSW SAID POSITIVE ELECTRODE, SAID SEPARATOR AND ELECTROLYTE AND SAID NEGATIVE ELECTRODE IN
References Cited (Backward Citations)
US496126A
Cited
AT158315B
Cited
US2646455A
Cited
US2934581A
Cited
US2934580A
Cited
US2798895A
Cited
GB769784A
Cited
US2968686A
Cited
US2968687A
Cited
US2941022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |