Patent US20070197959A1 successfully refreshed from Google Patents.
US3510747A
Expired / Lapsed
US
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Two part separable battery charger
Assignee: General Electric Co
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Filing: 1964-04-02
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Granted: 1970-05-05
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Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Christie Petrides
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:38
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/40; H01F38/00; H01F38/14; H02; H02J; H02J50/00; H02J50/005; H02J50/10; H02J7/00; H02J7/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |