US3323701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting and counting defects in a plurality of insulated conductors
Assignee: AT&T Inc
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Filing: 1965-04-21
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Granted: 1967-06-06
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Edward P Gurski
- 👤 Theodore L Hordosi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:16
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/50; G01R31/58; G01R31/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN APPARATUS FOR DETECTING INSULATION DEFECTS IN A PLURALITY OF INSULATED CONDUCTORS COMPRISING: A POWER SUPPLY, A PLURALITY OF DETECTORS CONNECTED TO THE POWER SUPPLY, EACH MONITORING AN INSULATED CONDUCTOR FOR INSULATION DEFECTS, MEANS CONNECTED TO THE POWER SUPPLY FOR PROVIDING A REFERENCE POTENTIAL FOR THE CONDUCTORS, A PLURALITY OF PULSE GENERATING MEANS EACH RESPONSIVE TO DETECTION OF AN INSULATION DEFECT BY A CORRESPONDING DETECTOR TO PRODUCE AN OUTPUT PULSE WHEN THE DETECTOR DETECTS AN INSULATING DEFECT AND ENGAGES A BARED PORTION OF THE CONDUCTOR, EACH PULSE GENERATING MEANS INCLUDING GATING MEANS FOR PASSING A PULSE OF A PREDETERMINED RELATIVELY SHORT DURATION REGARDLESS OF THE LENGTH OF THE DEFECT IN THE DIRECTION OF THE WIRE AXIS, A TRIGGER CIRCUIT CONNECTED TO EACH OF THE GATING MEANS AND OPERABLE UPON RECEIVING A DETECTOR PULSE TO PRODUCE A DEFECT SIGNAL, AN AMPLIFIER CONNECTED TO THE OUTPUT OF THE TRIGGER CIRCUIT TO AMPLIFY THE DEFECT SIGNAL, AND
Claim 2
Independent Claim
154 words
AN APPARATUS FOR DETECTING INSULATION DEFECTS IN A PLURALITY OF INSULATED CONDUCTORS COMPRISING: A POWER SUPPLY, A PLURALITY OF DETECTORS CONNECTED TO THE POWER SUPPLY, EACH MONITORING AN INSULATED CONDUCTOR FOR INSULATION DEFECTS, MEANS CONNECTED TO THE POWER SUPPLY FOR PROVIDING A REFERENCE POTENTIAL FOR THE CONDUCTORS, A PLURALITY OF PULSE GENERATING MEANS EACH RESPONSIVE TO DETECTION OF AN INSULATION DEFECT BY A CORRESPONDING DETECTOR TO PRODUCE AN OUTPUT PULSE WHEN THE DETECTOR DETECTS AN INSULATING DEFECT AND ENGAGES A BARED PORTION OF THE CONDUCTOR, EACH PULSE GENERATING MEANS INCLUDING GATING MEANS FOR PASSING A PULSE OF A PREDETERMINED RELATIVELY SHORT DURATION REGARDLESS OF THE LENGTH OF THE DEFECT IN THE DIRECTION OF THE WIRE AXIS, A TRIGGER CIRCUIT CONNECTED TO EACH OF THE GATING MEANS AND OPERABLE UPON RECEIVING A DETECTOR PULSE TO PRODUCE A DEFECT SIGNAL, AN AMPLIFIER CONNECTED TO THE OUTPUT OF THE TRIGGER CIRCUIT TO AMPLIFY THE DEFECT SIGNAL, 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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |