Patent US3323006A successfully refreshed from Google Patents.
US3323006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ballast for operating electric discharge lamps in conjunction with a companion ballast
Assignee: General Electric Co
•
Filing: 1964-04-03
•
Granted: 1967-05-30
•
Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:24
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/20; H05B41/23; H05B41/232; H05B41/2325; Y; Y10; Y10S; Y10S315/00; Y10S315/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A BALLAST FOR USE IN CONJUNCTION WITH AT LEAST ONE COMPANION BALLAST TO START AND OPERATE A PLURALITY OF ELECTRIC DISCHARGE LAMPS, SAID COMPANION BALLAST INCLUDING AT LEAST A MEANS FOR SUPPLYING THE HEATING CURRENT FOR THE FILAMENTS AT ONE END OF SAID ELECTRIC DISCHARGE LAMPS AND INCLUDING TERMINALS FOR CONNECTION WITH AN ALTERNATING CURRENT SOURCE, SAID BALLAST FOR USE IN CONJUCTION WITH SAID COMPANION BALLAST COMPRISING: POTENTIAL SUPPLY MEANS INCLUDING CURRENT LIMITING MEANS FOR CONNECTION WITH AN ALTERNATING SOURCE, CIRCUIT MEANS FOR CONNECTION OF SAID POTENTIAL SUPPLY MEANS IN CIRCUIT WITH THE OTHER ENDS OF THE ELECTRIC DISCHARGE LAMPS FOR SUPPLYING LAMP OPERATING CURRENT AND HEATING CURRENT FOR THE FILAMENTS AT SAID OTHER ENDS OF SAID LAMPS, AND SAID POTENTIAL SUPPLY MEANS OF SAID LAST MENTIONED BALLAST WITH THE COMPANION
Claim 2
Dependent Claim
131 words
A BALLAST FOR USE IN CONJUNCTION WITH AT LEAST ONE COMPANION BALLAST TO START AND OPERATE A PLURALITY OF ELECTRIC DISCHARGE LAMPS, SAID COMPANION BALLAST INCLUDING AT LEAST A MEANS FOR SUPPLYING THE HEATING CURRENT FOR THE FILAMENTS AT ONE END OF SAID ELECTRIC DISCHARGE LAMPS AND INCLUDING TERMINALS FOR CONNECTION WITH AN ALTERNATING CURRENT SOURCE, SAID BALLAST FOR USE IN CONJUCTION WITH SAID COMPANION BALLAST COMPRISING: POTENTIAL SUPPLY MEANS INCLUDING CURRENT LIMITING MEANS FOR CONNECTION WITH AN ALTERNATING SOURCE, CIRCUIT MEANS FOR CONNECTION OF SAID POTENTIAL SUPPLY MEANS IN CIRCUIT WITH THE OTHER ENDS OF THE ELECTRIC DISCHARGE LAMPS FOR SUPPLYING LAMP OPERATING CURRENT AND HEATING CURRENT FOR THE FILAMENTS AT SAID OTHER ENDS OF SAID LAMPS, AND SAID POTENTIAL SUPPLY MEANS OF SAID LAST MENTIONED BALLAST WITH THE COMPANION
References Cited (Backward Citations)
US644995A
Cited
US3114861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |