Patent US2820085A successfully refreshed from Google Patents.
US2820085A
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Flexible thermosensitive electric cable
Assignee: General Electric Co
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Filing: 1953-10-08
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Granted: 1958-01-14
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Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 George C Crowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:54
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/32; G; G08; G08B; G08B17/00; G08B17/06; H01C; H01C7/00; H01C7/04; H05; H05B; H05B3/00; H05B3/40; H05B3/54; H05B3/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN AN ELECTRIC CABLE, A CORE OF FLEXIBLE INSULATING MATERIAL, A PLURALITY OF FLEXIBLE CONDUCTORS WITH THE METALLIC SURFACES EXPOSED SPIRALLY WOUND SIDE BY SIDE ON SAID CORE AT A PITCH PROVIDING PHYSICAL SEPARATION BETWEEN ADJACENT CONDUCTOR TURNS, INSULATING SPACING MEANS BETWEEN SAID CONDUCTORS TO MAINTAIN SAID SEPARATION BETWEEN ADJACENT CONDUCTORS, A LAYER OF ORGANIC MATERIAL OVER SAID CONDUCTORS AND INSULATING SPACING MEANS WHICH AT A LOWER TEMPERATURE IS ESSENTIALLY AN INSULATOR AND AT A HIGHER TEMPERATURE BECOMES AN ELECTRICAL CONDUCTOR WHICH WILL PERMIT OF THE FLOW OF SIGNIFICANT CURRENT COMPRISING SPIRALLY WOUND THREAD OF A PITCH PROVIDING PHYSICAL CONTACT BETWEEN ADJACENT TURNS, AND AN OVER-ALL INSULATING COVERING OVER SUCH LAYER.
Claim 2
Dependent Claim
111 words
IN AN ELECTRIC CABLE, A CORE OF FLEXIBLE INSULATING MATERIAL, A PLURALITY OF FLEXIBLE CONDUCTORS WITH THE METALLIC SURFACES EXPOSED SPIRALLY WOUND SIDE BY SIDE ON SAID CORE AT A PITCH PROVIDING PHYSICAL SEPARATION BETWEEN ADJACENT CONDUCTOR TURNS, INSULATING SPACING MEANS BETWEEN SAID CONDUCTORS TO MAINTAIN SAID SEPARATION BETWEEN ADJACENT CONDUCTORS, A LAYER OF ORGANIC MATERIAL OVER SAID CONDUCTORS AND INSULATING SPACING MEANS WHICH AT A LOWER TEMPERATURE IS ESSENTIALLY AN INSULATOR AND AT A HIGHER TEMPERATURE BECOMES AN ELECTRICAL CONDUCTOR WHICH WILL PERMIT OF THE FLOW OF SIGNIFICANT CURRENT COMPRISING SPIRALLY WOUND THREAD OF A PITCH PROVIDING PHYSICAL CONTACT BETWEEN ADJACENT TURNS, AND AN OVER-ALL INSULATING COVERING OVER SUCH LAYER.
References Cited (Backward Citations)
US2450429A
Cited
US2581212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |