US3250953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply for arc-lamp including automatic starting circuit
Assignee: Consolidated Electrodynamics Corp
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Filing: 1962-07-06
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Granted: 1966-05-10
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Charles E Everest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:37
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A POWER SUPPLY FOR AN ARC LAMP COMPRISING A POWER TRANSFORMER HAVING A FERROMAGNETIC SATURABLE CORE INCLUDING A MAGNETIC SHUNT WITH A PRIMARY WINDING AND AT LEAST A PAIR OF SECOND WINDINGS MEGNETICALLY COUPLED THERETO AN OPPOSITE SIDES OF THE MAGNETIC SHUNT, SAID TRANSFORMER INCLUDING MEANS FOR PRODUCING A SUBSTANTIALLY CONSTANT VOLTAGE IN THE SECONDARY WINDINGS, FIRST CIRCUIT MEANS CONNECTED TO ONE OF THE SECONDARY WINDINGS AND BEING RESPONSIVE TO ENERGIZATION OF THE PRIMARY WINDING FOR GENERATING AN ARC LAMP STARTING PULSE, AND SECOND CIRCUIT MEANS CONNECTED TO THE OTHER SECONDARY WINDING FOR SUPPLYING AN ARC LAMP AFTER IT IS STARTED, MEANS INCLUDED IN THE FIRST CIRCUIT MEANS COUPLED WITH MEANS INCLUDED IN THE SECOND CIRCUIT MEANS FOR DELIVERING THE
Claim 2
Dependent Claim
120 words
A POWER SUPPLY FOR AN ARC LAMP COMPRISING A POWER TRANSFORMER HAVING A FERROMAGNETIC SATURABLE CORE INCLUDING A MAGNETIC SHUNT WITH A PRIMARY WINDING AND AT LEAST A PAIR OF SECOND WINDINGS MEGNETICALLY COUPLED THERETO AN OPPOSITE SIDES OF THE MAGNETIC SHUNT, SAID TRANSFORMER INCLUDING MEANS FOR PRODUCING A SUBSTANTIALLY CONSTANT VOLTAGE IN THE SECONDARY WINDINGS, FIRST CIRCUIT MEANS CONNECTED TO ONE OF THE SECONDARY WINDINGS AND BEING RESPONSIVE TO ENERGIZATION OF THE PRIMARY WINDING FOR GENERATING AN ARC LAMP STARTING PULSE, AND SECOND CIRCUIT MEANS CONNECTED TO THE OTHER SECONDARY WINDING FOR SUPPLYING AN ARC LAMP AFTER IT IS STARTED, MEANS INCLUDED IN THE FIRST CIRCUIT MEANS COUPLED WITH MEANS INCLUDED IN THE SECOND CIRCUIT MEANS FOR DELIVERING THE
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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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |