Patent US3470032A successfully refreshed from Google Patents.
US3470032A
Expired / Lapsed
US
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Sea water battery voltage control circuit
Assignee: United States Department of the Navy
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Filing: 1967-09-29
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Granted: 1969-09-30
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Expires: 1987-09-29
Abstract
No abstract record available.
Inventors
- 👤 William E Egan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:26
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/50; G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; H01M6/30; H01M6/32; H01M6/34; H01M50/00; H01M50/70; H01M50/77
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3012087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |