Patent US3382425A successfully refreshed from Google Patents.
US3382425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charger
Assignee: Electromagnetic Industries Inc
•
Filing: 1965-10-05
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Granted: 1968-05-07
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Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Legatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:44
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/90; H02J7/94; H02J7/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3106665A
Cited
US3160805A
Cited
US3277320A
Cited
US3310729A
Cited
US3296516A
Cited
US3300704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |