US3460995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for determining battery state of charge
Assignee: National Aeronautics and Space Administration
•
Filing: 1967-09-15
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Granted: 1969-08-12
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Expires: 1987-09-15
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:42
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; H01M10/488; G; G01; G01R; G01R31/00; G01R31/36; G01R31/378; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3317352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |