Patent US2806895A successfully refreshed from Google Patents.
US2806895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immersion type battery
Assignee: Eagle Picher Co
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Filing: 1955-09-23
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Granted: 1957-09-17
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Expires: 1975-09-23
Abstract
No abstract record available.
Inventors
- 👤 James M Dines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:37
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
AN IMMERSION TYPE BATTERY, COMPRISING A PLURALITY OF CELLS ARRANGED FACIALLY ADJACENT ONE ANOTHER IN SUBSTANTIAL PERIPHERAL ALIGNMENT IN A STACK, EACH CELL COMPRISING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE, AND A THIN PAD OF BIBULOUS SEPARATOR MATERIAL BETWEEN SAID ELECTRODES, MEANS SUBSTANTIALLY BLOCKING THE PERIPHERIES OF SAID CELLS AGAINST ENTRANCE OF LIQUID ELECTROLYTE TO THE BIBULOUS SEPARATORS THEREOF EXCEPT AT SUBSTANTIALLY OPPOSED EDGEWISE AREAS OF THE PERIPHERIES THEREOF, MANIFOLD MEANS COMMON TO ALL THE FIRST OF THE OPPOSED UNBLOCKED EDGEWISE AREAS, THE CELLS FOR ADMITTING ELECTROLYTE TO THE BIBULOUS SEPARATORS THEREOF, MANIFOLD MEANS COMMON TO ALL THE SECOND OF THE RESPECTIVE UNBLOCKED EDGEWISE AREAS OF THE CELLS TO RECEIVE AIR EXPELLED FROM THE SEPARATORS AS THEY BECOME SATURATED WITH ELECTROLYTE ENTERING THROUGH THE FIRST MANIFOLD MEANS, ONE OF SAID MANIFOLDS HAVING AN INLET THERETO ARRANGED ADJACENT THE BOTTOM OF SAID STACK OF CELLS, THE OTHER OF SAID MANIFOLDS HAVING AN OUTLET THEREFROM ARRANGED ADJACENT THE TOP OF SAID STACK OF CELLS, AND NORMALLY OPEN VALVE MEANS INCLUDING A VALVE ACTUATOR SO POSITIONED AS TO BE OPERATED TO CLOSED POSITION AFTER
Claim 2
Dependent Claim
181 words
AN IMMERSION TYPE BATTERY, COMPRISING A PLURALITY OF CELLS ARRANGED FACIALLY ADJACENT ONE ANOTHER IN SUBSTANTIAL PERIPHERAL ALIGNMENT IN A STACK, EACH CELL COMPRISING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE, AND A THIN PAD OF BIBULOUS SEPARATOR MATERIAL BETWEEN SAID ELECTRODES, MEANS SUBSTANTIALLY BLOCKING THE PERIPHERIES OF SAID CELLS AGAINST ENTRANCE OF LIQUID ELECTROLYTE TO THE BIBULOUS SEPARATORS THEREOF EXCEPT AT SUBSTANTIALLY OPPOSED EDGEWISE AREAS OF THE PERIPHERIES THEREOF, MANIFOLD MEANS COMMON TO ALL THE FIRST OF THE OPPOSED UNBLOCKED EDGEWISE AREAS, THE CELLS FOR ADMITTING ELECTROLYTE TO THE BIBULOUS SEPARATORS THEREOF, MANIFOLD MEANS COMMON TO ALL THE SECOND OF THE RESPECTIVE UNBLOCKED EDGEWISE AREAS OF THE CELLS TO RECEIVE AIR EXPELLED FROM THE SEPARATORS AS THEY BECOME SATURATED WITH ELECTROLYTE ENTERING THROUGH THE FIRST MANIFOLD MEANS, ONE OF SAID MANIFOLDS HAVING AN INLET THERETO ARRANGED ADJACENT THE BOTTOM OF SAID STACK OF CELLS, THE OTHER OF SAID MANIFOLDS HAVING AN OUTLET THEREFROM ARRANGED ADJACENT THE TOP OF SAID STACK OF CELLS, AND NORMALLY OPEN VALVE MEANS INCLUDING A VALVE ACTUATOR SO POSITIONED AS TO BE OPERATED TO CLOSED POSITION AFTER
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) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |