US3250434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyte container for dry charge batteries
Assignee: Dunlop Rubber Australia Ltd
•
Filing: 1964-07-06
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Granted: 1966-05-10
•
Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Howlett John Cavill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:34
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3205; B65D71/00; B65D71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ELECTROLYTE CONTAINER COMPRISING A HOLLOW MOULDED BODY HAVING A FILLER OPENING TO BE CHARGED WITH A PREDETERMINED VOLUME OF ELECTROLYTE FOR A DRY CHARGE BATTERY AND HAVING A MEANS CROSS SECTIONAL AREA SUBSTANTIALLY EQUIVALENT TO THE EQUIVALENT AREA OF SAID BATTERY, THE BOTTOM OF SAID BODY HAVING A CENTRAL LONGITUDINAL RECESS DEFINED BY A PAIR OF COMPLEMENTAL BASE SECTIONS OF EVEN LENGTH AND DEPTH T PROTECTIVELY ACCOMMODATE THE FILLER CAPS OF SAID BATTERY, THE BASE SECTIONS BEING SPACED AT EACH END AN EQUIVALENT DISTANCE FROM AN OPPOSITELY DISPOSED WALL OF THE MOULDED BODY TO FORM AN ANGULARLY RELATED RECESS AT EACH END OF THE LONGITUDINAL
Claim 2
Dependent Claim
106 words
AN ELECTROLYTE CONTAINER COMPRISING A HOLLOW MOULDED BODY HAVING A FILLER OPENING TO BE CHARGED WITH A PREDETERMINED VOLUME OF ELECTROLYTE FOR A DRY CHARGE BATTERY AND HAVING A MEANS CROSS SECTIONAL AREA SUBSTANTIALLY EQUIVALENT TO THE EQUIVALENT AREA OF SAID BATTERY, THE BOTTOM OF SAID BODY HAVING A CENTRAL LONGITUDINAL RECESS DEFINED BY A PAIR OF COMPLEMENTAL BASE SECTIONS OF EVEN LENGTH AND DEPTH T PROTECTIVELY ACCOMMODATE THE FILLER CAPS OF SAID BATTERY, THE BASE SECTIONS BEING SPACED AT EACH END AN EQUIVALENT DISTANCE FROM AN OPPOSITELY DISPOSED WALL OF THE MOULDED BODY TO FORM AN ANGULARLY RELATED RECESS AT EACH END OF THE LONGITUDINAL
References Cited (Backward Citations)
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Cited
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Cited
US2022595A
Cited
US1913460A
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US2400197A
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Cited
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Cited
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Cited
US3142320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |