US3246206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage surge protector
Assignee: General Electric Co
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Filing: 1965-02-25
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Granted: 1966-04-12
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Expires: 1985-02-25
Abstract
No abstract record available.
Inventors
- 👤 Chowdhuri Pritindra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:26
CPC Classifications
H; H02; H02H; H02H9/00; H02H9/04; H02H9/041; H02H3/00; H02H3/44; H02H3/445; H02H9/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A DIRECT-VOLTAGE SURGE PROTECTOR, THE COMBINATION COMPRISING A THREE-JUNCTION SEMICONDUCTOR DEVICE IN SERIES WITH THE RESISTOR MEANS FOR CONNECTION ACROSS A VOLTAGE SOURCE, MEANS CONNECTED TO THE VOLTAGE SOURCE AND TO SAID SEMICONDUCTOR DEVICE FOR CAUSING SAID SEMICONDUCTOR DEVICE TO CONDUCT WHEN A VOLTAGE SURGE APPEARS ACROSS THE SOURCE, AND CAPACITOR MEANS CONNECTED ACROSS SAID RESISTOR MEANS FOR STOPPING THE FLOW OF CURRENT THROUGH SAID SEMICONDUCTOR DEVICE, SAID SEMICONDUCTOR DEVICE AND MEANS FOR CAUSING SAID DEVICE TO CONDUCT THEREBY PREVENTING ANY POWER DRAIN BY THE VOLTAGE SURGE PROTECTOR FROM THE VOLTAGE SOURCE DURING NONCONDUCTION OF SAID SEMICONDUCTOR DEVICE AND POWER FLOWING FROM THE VOLTAGE SOURCE REMAINS UNINTERRUPTED.
Claim 2
Dependent Claim
108 words
IN A DIRECT-VOLTAGE SURGE PROTECTOR, THE COMBINATION COMPRISING A THREE-JUNCTION SEMICONDUCTOR DEVICE IN SERIES WITH THE RESISTOR MEANS FOR CONNECTION ACROSS A VOLTAGE SOURCE, MEANS CONNECTED TO THE VOLTAGE SOURCE AND TO SAID SEMICONDUCTOR DEVICE FOR CAUSING SAID SEMICONDUCTOR DEVICE TO CONDUCT WHEN A VOLTAGE SURGE APPEARS ACROSS THE SOURCE, AND CAPACITOR MEANS CONNECTED ACROSS SAID RESISTOR MEANS FOR STOPPING THE FLOW OF CURRENT THROUGH SAID SEMICONDUCTOR DEVICE, SAID SEMICONDUCTOR DEVICE AND MEANS FOR CAUSING SAID DEVICE TO CONDUCT THEREBY PREVENTING ANY POWER DRAIN BY THE VOLTAGE SURGE PROTECTOR FROM THE VOLTAGE SOURCE DURING NONCONDUCTION OF SAID SEMICONDUCTOR DEVICE AND POWER FLOWING FROM THE VOLTAGE SOURCE REMAINS UNINTERRUPTED.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |