Patent US3086069A successfully refreshed from Google Patents.
US3086069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leakage monitoring means for electric power cables
Assignee: Anaconda Wire and Cable Co
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Filing: 1960-04-01
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Granted: 1963-04-16
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Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kolmorgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN ELECTRIC POWER CABLE COMPRISING A NORMALLY CONTINUOUSLY IMPERMEABLE PROTECTIVE SHEATH, A LEAKAGE MONITORING OUTER IMPERMEABLE JACKET SURROUNDING SAID SHEATH SUBSTANTIALLY THROUGHOUT ITS LENGTH, SAID JACKET BEING OF SUBSTANTIALLY LIGHTER CONSTRUCTION THAN SAID SHEATH, THE INSIDE SURFACE OF SAID JACKET BEING FORMED WITH A PLURALITY OF INWARDLY EXTENDING AND CIRCUMFERENTIALLY SPACED LONGITUDINAL RIDGES, SAID JACKET AND SHEATH TOGETHER DEFINING A PLURALITY OF CHANNELS BETWEEN SAID RIDGES EXTENDING LONGITUDINALLY THROUGHOUT THE LENGTH OF SAID JACKET, A MONITORING FLUID CONTAINED IN SAID JACKET AT A PRESSURE NORMALLY DIFFERING FROM ATMOSPHERIC, AND PRESSURE RESPONSIVE MEANS FOR INDICATING CHANGES IN THE PRESSURE OF SAID MONITORING FLUID AND THUS INDICATING LEAKS IN SAID OUTER JACKET.
Claim 2
Dependent Claim
110 words
AN ELECTRIC POWER CABLE COMPRISING A NORMALLY CONTINUOUSLY IMPERMEABLE PROTECTIVE SHEATH, A LEAKAGE MONITORING OUTER IMPERMEABLE JACKET SURROUNDING SAID SHEATH SUBSTANTIALLY THROUGHOUT ITS LENGTH, SAID JACKET BEING OF SUBSTANTIALLY LIGHTER CONSTRUCTION THAN SAID SHEATH, THE INSIDE SURFACE OF SAID JACKET BEING FORMED WITH A PLURALITY OF INWARDLY EXTENDING AND CIRCUMFERENTIALLY SPACED LONGITUDINAL RIDGES, SAID JACKET AND SHEATH TOGETHER DEFINING A PLURALITY OF CHANNELS BETWEEN SAID RIDGES EXTENDING LONGITUDINALLY THROUGHOUT THE LENGTH OF SAID JACKET, A MONITORING FLUID CONTAINED IN SAID JACKET AT A PRESSURE NORMALLY DIFFERING FROM ATMOSPHERIC, AND PRESSURE RESPONSIVE MEANS FOR INDICATING CHANGES IN THE PRESSURE OF SAID MONITORING FLUID AND THUS INDICATING LEAKS IN SAID OUTER JACKET.
References Cited (Backward Citations)
US1849873A
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US2079856A
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US1944003A
Cited
US2151092A
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US2432568A
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US2767392A
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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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |