US3527925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heater for use with storage battery
Assignee: Panasonic Holdings Corp
•
Filing: 1968-03-29
•
Granted: 1970-09-08
•
Expires: 1988-03-29
Abstract
No abstract record available.
Inventors
- 👤 Tadao Toyooka
- 👤 Takeo Nishida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:13
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H01; H01M; H01M10/00; H01M10/60; H01M10/61; H01M10/615; H01M10/64; H01M10/647; H01M10/65; H01M10/657; H01M50/00; H01M50/20; H01M50/233; H01M50/24; H05B3/10; H05B3/18; H05B2203/00; H05B2203/002; H05B2203/004; H05B2203/005; H05B2203/011; H05B2203/014; H05B2203/015; H05B2203/016; H05B2203/017; H05B2203/033; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2418792A
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US2626971A
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GB693191A
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US2710909A
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US2804533A
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US2884509A
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US2938992A
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US3191005A
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US3272900A
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US3290807A
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US3425020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |