US3623916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery with heater
Assignee: Panasonic Holdings Corp
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Filing: 1968-02-27
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Granted: 1971-11-30
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Expires: 1988-02-27
Abstract
Abstract A STORAGE BATTERY COMPRISING ELECTRODE PLATE GROUPS INCLUDING ANODE PLATES AND CATHODE PLATES, A BATTERY CASING FOR ACCOMMODATING SAID ELECTRODE PLATE GROUPS AND ELECTROLYTE, A CLOSURE COVERING SAID BATTERY CASING, AND FACE HEATERS SO TREATED AS TO BE OF ELECTROLYTE-RESISTANCE AND PROVIDED IN SAID BATTERY CASING, WHEREIN SAID ELECTROLYTE IS EFFECTIVELY HEATED TO PREVENT THE ELECTROMOTIVE FORCE FROM BEING DECREASED DUE TO A DECREASE IN TEMPERATURE OF SAID ELECTROLYTE, THEREBY PRODUCING A CONSTANT ELECTROMOTIVE FORCE.
Inventors
- 👤 Tadao Toyooka
- 👤 Takeo Nishida
- 👤 Hiroshi Ichihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:25
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/60; H01M10/65; H01M10/657; H01M50/00; H01M50/50; H01M50/572; H01M50/574; H01M50/581; H01M10/61; H01M10/615; H01M10/62; H01M10/625; H01M10/651; H01M10/652; H01M10/654; H01M10/6571; H01M10/655; H01M10/6554; H01M10/6555; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |