Patent US3218384A successfully refreshed from Google Patents.
US3218384A
Expired / Lapsed
US
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Temperature-responsive transmission line conductor for de-icing
Assignee: Huntington Alloys Corp
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Filing: 1962-03-29
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Granted: 1965-11-16
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 John L Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:48
CPC Classifications
H; H01; H01B; H01B5/00; H01B5/02; H02; H02G; H02G7/00; H02G7/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A TEMPERATURE-RESPONSIVE, DE-ICING ELECTRIC TRANSMISSION LINE CONDUCTOR ADAPTED FOR USE IN THE OVERHEAD POSITION AND IN DIFFICULTY ACCESSIBLE AREAS WHERE FREEZING TEMPERATURES ARE ENCOUNTERED COMPRISING ANELECTRICALY CONDUCTIVE MATERIAL HAVING A CURIE TEMPERATURE OF ABOUT 32*F. TO ABOUT 50*F. AND HAVING A CONDUCTIVITY OF AT LEAST ABOUT 0.005 MHO PER CENTIMETER CUBE X 10**6, SAID CONDUCTOR BEING CHARACTERIZED IN UNATTENDED OPERATION BY EXHIBITING GREATER LINE LOSSES MANIFESTED AS HEAT WHEN THE CONDUCTOR IS BELOW ABOUT 32*F. THAN WHEN ABOVE ABOUT
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |