Patent US2386074A successfully refreshed from Google Patents.
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 17:36
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2016790A
Cited
US2121829A
Cited
US2190687A
Cited
US2319144A
Cited
US2447304A
Cited
US2757243A
Cited
US2750507A
Cited
US2783384A
Cited
FR1123405A
Cited
US2783380A
Cited
US2849615A
Cited
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 |