US3114049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor trigger circuit
Assignee: AT&T Inc
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Filing: 1956-11-09
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Granted: 1963-12-10
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Expires: 1976-11-09
Abstract
No abstract record available.
Inventors
- 👤 Royer R Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:35
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/01; H03K3/012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A TRIGGER CIRCUIT COMPRISING A TRANSISTOR HAVING A PLURALITY OF ELECTRODES, IMPEDANCE MEANS CONNECTED TO ONE OF SAID ELECTRODES FOR CONVEYING OPERATING POTENTIAL THERETO, MEANS FOR APPLYING A TRIGGER PULSE TO AT LEAST ONE OF SAID ELECTRODES TO CAUSE SAID TRANSISTOR TO SWITCH BETWEEN ALTERNATE OPERATING STATES, NORMALLY OPEN SWITCH ING MEANS CONNECTED ACROSS SAID IMPEDANCE MEANS, MEANS FOR APPLYING SAID TRIGGER PULSE TO SAID SWITCHING MEANS TO CAUSE IT TO CLOSE IN RESPONSE THERETO AND THEREBY EFFECTIVELY SHORT-CIRCUIT SAID IMPEDANCE MEANS, AND MEANS
Claim 2
Dependent Claim
84 words
A TRIGGER CIRCUIT COMPRISING A TRANSISTOR HAVING A PLURALITY OF ELECTRODES, IMPEDANCE MEANS CONNECTED TO ONE OF SAID ELECTRODES FOR CONVEYING OPERATING POTENTIAL THERETO, MEANS FOR APPLYING A TRIGGER PULSE TO AT LEAST ONE OF SAID ELECTRODES TO CAUSE SAID TRANSISTOR TO SWITCH BETWEEN ALTERNATE OPERATING STATES, NORMALLY OPEN SWITCH ING MEANS CONNECTED ACROSS SAID IMPEDANCE MEANS, MEANS FOR APPLYING SAID TRIGGER PULSE TO SAID SWITCHING MEANS TO CAUSE IT TO CLOSE IN RESPONSE THERETO AND THEREBY EFFECTIVELY SHORT-CIRCUIT SAID IMPEDANCE MEANS, AND MEANS
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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |