US3242413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic circuit employing a saturable reactor and saturable transformer for firing a silicon controlled rectifier
Assignee: Magnetics Inc
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Filing: 1961-05-01
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Granted: 1966-03-22
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hardies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:41
CPC Classifications
H; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/25; H02M5/257; H02M5/2573
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
ELECTRICAL APPARATUS FOR PROVIDING MAGNETIC CONTROL OF A SOLID STATE THYRATRON DEVICE COMPRISING A SATURABLE REACTOR MEANS HAVING A CORE OF RECTANGULAR HYSTERESIS LOOP MATERIAL AND INCLUDING AN OUTPUT WINDING; RECTIFIER MEANS; TRANSFORMER MEANS HAVING A CORE OF RECTANGULAR HYSTERESIS LOOP MATERIAL WITH A MAGNETIZATION CURRENT LEVEL SUBSTANTIALLY GREATER THAN THAT OF THE SATURABLE REACTOR, THE TRANSFORMER MEANS INCLUDING A PRIMARY AND SECONDARY WINDING; ANODE, CATHODE, AND GATING TERMINALS FOR A SOLID STATE THYRATRON DEVICE; MEANS FOR CONNECTING AN A.C. POWER SOURCE ACROSS THE ANODE AND CATHODE TERMINALS FOR THE SOLID STATE THYRATRON DEVICE; AND
Claim 2
Dependent Claim
95 words
ELECTRICAL APPARATUS FOR PROVIDING MAGNETIC CONTROL OF A SOLID STATE THYRATRON DEVICE COMPRISING A SATURABLE REACTOR MEANS HAVING A CORE OF RECTANGULAR HYSTERESIS LOOP MATERIAL AND INCLUDING AN OUTPUT WINDING; RECTIFIER MEANS; TRANSFORMER MEANS HAVING A CORE OF RECTANGULAR HYSTERESIS LOOP MATERIAL WITH A MAGNETIZATION CURRENT LEVEL SUBSTANTIALLY GREATER THAN THAT OF THE SATURABLE REACTOR, THE TRANSFORMER MEANS INCLUDING A PRIMARY AND SECONDARY WINDING; ANODE, CATHODE, AND GATING TERMINALS FOR A SOLID STATE THYRATRON DEVICE; MEANS FOR CONNECTING AN A.C. POWER SOURCE ACROSS THE ANODE AND CATHODE TERMINALS FOR THE SOLID STATE THYRATRON DEVICE; AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |