US3105924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threshold circuit
Assignee: American Monarch Corp
•
Filing: 1959-06-04
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Granted: 1963-10-01
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Expires: 1979-06-04
Abstract
No abstract record available.
Inventors
- 👤 Elmer J Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:05
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/30; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/2893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A VOLTAGE THRESHOLD SWICTHING CIRCUIT COMPRISING TWO COMPLEMENTARY TRANSISTORS EACH HAVING COLLECTOR, EMITTER AND BASE ELECTORDES, THE COLLECTORS NEING RESPECTIVELY RESISTIVELY COUPLED TO THE OTHER TRANSISTOR BASE ELECTRODES, THE BASE AND EMITTER ELECTRODES OF EACH TRANSISTOR BEING RESPECTIVELY RESISTIVELY COUPLED TOGETHER, A VOLTAGE DIVIDER CONNECTED BETWEEN THE TRANSISTORS EMITTER ELECTRODES AND HAVING AN INTERMEDIATE VOLTAGE TAKE OFF POINT, A THERMISTOR CONNECTED BETWEEN SAID POINT AND THE EMITTER OF A
Claim 2
Dependent Claim
69 words
A VOLTAGE THRESHOLD SWICTHING CIRCUIT COMPRISING TWO COMPLEMENTARY TRANSISTORS EACH HAVING COLLECTOR, EMITTER AND BASE ELECTORDES, THE COLLECTORS NEING RESPECTIVELY RESISTIVELY COUPLED TO THE OTHER TRANSISTOR BASE ELECTRODES, THE BASE AND EMITTER ELECTRODES OF EACH TRANSISTOR BEING RESPECTIVELY RESISTIVELY COUPLED TOGETHER, A VOLTAGE DIVIDER CONNECTED BETWEEN THE TRANSISTORS EMITTER ELECTRODES AND HAVING AN INTERMEDIATE VOLTAGE TAKE OFF POINT, A THERMISTOR CONNECTED BETWEEN SAID POINT AND THE EMITTER OF A
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Cited
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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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |