US2964676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangements for operating low pressure electric discharge lamps
Assignee: The General Electric Company PLC
•
Filing: 1958-08-15
•
Granted: 1960-12-13
•
Expires: 1978-08-15
Abstract
No abstract record available.
Inventors
- 👤 Davies Ian Frederick
- 👤 Vickery Joseph Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:53
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; H05B41/282; H05B41/2821; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835; Y; Y10; Y10S; Y10S315/00; Y10S315/02; Y10S315/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2016790A
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FR1123405A
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US2849615A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |