Patent US3556854A successfully refreshed from Google Patents.
US3556854A
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Lead acid storage battery having a grid with divergent fingers
Assignee: Motors Liquidation Co
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Filing: 1968-11-29
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Granted: 1971-01-19
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Expires: 1988-11-29
Abstract
Abstract A COMPOSITE BATTERY PLATE GRID AND PROCESS FOR FORMING SAME THE GRID BEING FORMED FROM A FAN-LIKE CONDUCTOR AND A GRATE-LIKE NONCONDUCTOR BONDED ONE TO THE OTHER BY A PLURALITY OF FUSION-INTERLOCKED JOINTS.
Inventors
- 👤 Ellis G Wheadon
- 👤 Norman L Willmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:11
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/70; H01M4/72; H01M4/73; 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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |