Patent US3536531A successfully refreshed from Google Patents.
US3536531A
Expired / Lapsed
US
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Lead storage battery and a method of producing the electrodes thereof
Assignee: Panasonic Holdings Corp
•
Filing: 1969-05-21
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Granted: 1970-10-27
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Expires: 1989-05-21
Abstract
No abstract record available.
Inventors
- 👤 Satoshi Sekido
- 👤 Hideyuki Ichimura
- 👤 Sadao Kato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:36
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M10/00; H01M10/06; H01M10/12; H01M10/125; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/449; H01M50/451; H01M50/454; H01M2300/00; H01M2300/0002; H01M2300/0005; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2658097A
Cited
US3351445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |