US3348073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate controlled electronic switch
Assignee: Merlin Gerin SA
•
Filing: 1965-06-21
•
Granted: 1967-10-17
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Oudard Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:52
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/722; H03K17/723
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN ELECTRONIC SWITCH COMPRISING A PULSE TRANSFORMER HAVING A PRIMARY WINDING AND A SECONDARY WINDING, A FIRST CIRCUIT COMPRISING SAID SECONDARY WINDING AND A GATE CONTROLLED SEMI-CONDUCTOR DEVICE OPERATIVELY CONNECTED THERETO TO BE ALTERNATELY TURNED ON AND TURNED OFF BY APPLICATION OF TRIGGER PULSES OF OPPOSITE POLARITY APPLIED TO THE GATE OF SAID DEVICE BY SAID SECONDARY WINDING, A SEC-
Claim 2
Dependent Claim
60 words
AN ELECTRONIC SWITCH COMPRISING A PULSE TRANSFORMER HAVING A PRIMARY WINDING AND A SECONDARY WINDING, A FIRST CIRCUIT COMPRISING SAID SECONDARY WINDING AND A GATE CONTROLLED SEMI-CONDUCTOR DEVICE OPERATIVELY CONNECTED THERETO TO BE ALTERNATELY TURNED ON AND TURNED OFF BY APPLICATION OF TRIGGER PULSES OF OPPOSITE POLARITY APPLIED TO THE GATE OF SAID DEVICE BY SAID SECONDARY WINDING, A SEC-
References Cited (Backward Citations)
US3127522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |