US3702265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead-acid storage battery paste
Assignee: Motors Liquidation Co
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Filing: 1971-06-25
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Granted: 1972-11-07
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Expires: 1991-06-25
Abstract
Abstract LEAD-ACID STORAGE BATTERY PASTE CONTAINING BATTERY MAKERS LEAD OXIDES, A FIRST BULKING AGENT SUCH AS CARBOXYMETHYLCELLULOSE, AND LESS THAN ABOUT 4% BY WEIGHT OF A SECOND BULKING AGENT COMPRISING HOLLOW, MULTICELLULAR, SILICEOUS AMORPHOUS GLOBULES HAVING FRIABLE WALLS.
Inventors
- 👤 Richard N Snyder
- 👤 Ellis G Wheadon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:01
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/56; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
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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) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |