Patent US3463672A successfully refreshed from Google Patents.
US3463672A
Expired / Lapsed
US
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Battery construction
Assignee: Cooper Industries LLC
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Filing: 1967-08-10
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Granted: 1969-08-26
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Expires: 1987-08-10
Abstract
No abstract record available.
Inventors
- 👤 Jacob E Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:57
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/262; H01M50/264; H01M50/204; H01M50/207; H01M50/209; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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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) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |