US3460019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charging system and transducer therefor
Assignee: Dynamic Instrument Corp
•
Filing: 1966-09-30
•
Granted: 1969-08-05
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Expires: 1986-09-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Mas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:19
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/22; G; G01; G01R; G01R31/00; G01R31/36; G01R31/382; H01; H01M; H01M10/00; H01M10/42; H02J7/90; H02J7/971; H02J7/973; H01M2200/00; H01M2200/20; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2621317A
Cited
GB737008A
Cited
US2752558A
Cited
US3175146A
Cited
US3080757A
Cited
US3252071A
Cited
US3281640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |