US3347098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature sensing means and method for electric cables
Assignee: Telcon Metals Ltd
•
Filing: 1965-01-18
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Granted: 1967-10-17
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Bielstein George Paul Richard
- 👤 Martin Alan Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/10; G01K7/00; G01K7/16; G01K7/18; G01K7/20; G01K7/206; H; H01; H01B; H01B7/00; H01B7/32; H01B7/324; H02; H02G; H02G15/00; H02G15/20; H02G15/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF SURVEYING THE LONGITUDINAL TEMPERATURE DISTRIBUTION IN AN ELECTRIC CABLE IN WHICH AN ELONGATED RESISTANCE ELEMENT HAVING A TEMPERATURE COEFFICIENT OTHER THAN ZERO IS SO ASSOCIATED WITH THE CABLE THAT ITS RESISTANCE IS RESPONSIVE TO THE TEMPERATURE TO BE SURVEYED, COMPRISING THE STEPS OF ESTABLISHING A REFERENCE CURRENT IN THE RESISTANCE ELEMENT, AND APPLYING THE POTENTIAL DIFFERENCE BETWEEN THE ENDS OF EACH OF A PLURALITY OF DIFFERENT ELEMENTAL LENGTHS OF THE RESISTANCE ELEMENT, THROUGH TAPPING LEADS CONNECTED TO THE ENDS OF THE RESPECTIVE ELEMENTAL LENGTHS, TO APPARATUS RESPONSIVE TO THE POTENTIAL DIFFERENCE.
Claim 2
Independent Claim
94 words
A METHOD OF SURVEYING THE LONGITUDINAL TEMPERATURE DISTRIBUTION IN AN ELECTRIC CABLE IN WHICH AN ELONGATED RESISTANCE ELEMENT HAVING A TEMPERATURE COEFFICIENT OTHER THAN ZERO IS SO ASSOCIATED WITH THE CABLE THAT ITS RESISTANCE IS RESPONSIVE TO THE TEMPERATURE TO BE SURVEYED, COMPRISING THE STEPS OF ESTABLISHING A REFERENCE CURRENT IN THE RESISTANCE ELEMENT, AND APPLYING THE POTENTIAL DIFFERENCE BETWEEN THE ENDS OF EACH OF A PLURALITY OF DIFFERENT ELEMENTAL LENGTHS OF THE RESISTANCE ELEMENT, THROUGH TAPPING LEADS CONNECTED TO THE ENDS OF THE RESPECTIVE ELEMENTAL LENGTHS, TO APPARATUS RESPONSIVE TO THE POTENTIAL DIFFERENCE.
References Cited (Backward Citations)
US1946155A
Cited
US1917129A
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US2727968A
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GB671090A
Cited
US2619573A
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US2792481A
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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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |