Patent US5500576C1 successfully refreshed from Google Patents.
US5500576C1
Expired / Lapsed
US
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Low height ballast for fluorescent lamps
Assignee: Universal Lighting Technologies Inc
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Filing: 1994-04-15
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Granted: 2001-12-18
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Expires: 2014-04-15
Abstract
No abstract record available.
Inventors
- 👤 Randy G Russell
- 👤 Kent E Crouse
- 👤 Peter W Shackle
- 👤 Ronald J Bezdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:54
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/70; H; H02; H02M; H02M1/00; H02M1/42; H02M1/4208; H02M1/4225; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; Y; Y02; Y02B; Y02B70/00; Y02B70/10; Y10; Y10S; Y10S315/00; Y10S315/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-12-17 | 2005-06-18 | 2005-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-12-17 | 2009-06-18 | 2009-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-12-17 | 2013-06-18 | 2013-12-18 | $7700.00 | Window Closed / Lapsed |