US3029362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for operating a fluorescent lamp
Assignee: L E DWYER
•
Filing: 1954-12-14
•
Granted: 1962-04-10
•
Expires: 1974-12-14
Abstract
No abstract record available.
Inventors
- 👤 Earl T Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:37
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/18; H02; H02J; H02J9/00; H02J9/04; H02J9/06; H02J9/062; H02J9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2016790A
Cited
US2284407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |