US3030615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition indicating device for dry-charged batteries
Assignee: Electro Mechanical Instrument Co Inc
•
Filing: 1959-10-15
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Granted: 1962-04-17
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Expires: 1979-10-15
Abstract
No abstract record available.
Inventors
- 👤 Robert I Dinlocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:19
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; H01M10/488; G; G01; G01R; G01R31/00; G01R31/36; G01R31/385; H01M6/00; H01M6/50; H01M6/5044; H01M6/505; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1124352A
Cited
US2930961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |