Patent US3575720A successfully refreshed from Google Patents.
US3575720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulator means for lithium-chlorine high temperature battery
Assignee: Motors Liquidation Co
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Filing: 1969-02-03
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Granted: 1971-04-20
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Expires: 1989-02-03
Abstract
Abstract SUBSTANTIALLY ENVIRONMENTALLY INERT ELECTRICAL INSULATORS AND INSULATED CONDUCTORS FOR USE IN THE LI$LICL$CL2ELECTROCHEMICAL SYSTEM. THE INSULATORS AND CONDUCTORS ARE COMPOSITES HAVING CL2-INERT AND LI-INERT BARRIERS WHICH SHIELD VULNERABLE COMPOSITES FROM CHLORINE OR LITHIUM ATTACK. SPECIFIC MATERIAL DISCLOSED INCLUDE COMBINATIONS OF ALUMI- NUM NITRIDE, CARBON, GRAPHITE, MOLYBDENUM, KOVAR AND STAINLESS STEEL.
Inventors
- 👤 Gale M Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:33
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/04
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |