Patent US3501674A successfully refreshed from Google Patents.
US3501674A
Expired / Lapsed
US
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High frequency portable power supply for a fluorescent lamp
Assignee: BATTERY LITE CORP
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Filing: 1967-07-13
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Granted: 1970-03-17
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Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Emmett L Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:56
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; H05B41/282; H05B41/2821; Y; Y10; Y10S; Y10S315/00; Y10S315/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1123405A
Cited
US2896126A
Cited
US2982881A
Cited
US2923856A
Cited
FR1236083A
Cited
US3146406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |