Patent US3392284A successfully refreshed from Google Patents.
US3392284A
Expired / Lapsed
US
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Photosensitive power control circuit for use with arc type lamps
Assignee: Hunt Electronics Co
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Filing: 1964-09-30
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Granted: 1968-07-09
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Ernest O Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:48
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/36; H05B41/38; H05B41/39; H05B41/392; H05B41/3921; H05B41/3922; H05B47/00; H05B47/10; H05B47/105; H05B47/11; Y; Y02; Y02B; Y02B20/00; Y02B20/40
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |