Patent US3264404A successfully refreshed from Google Patents.
US3264404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission cable
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1964-03-26
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Granted: 1966-08-02
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Claudine J Trebby
- 👤 Ludwig F Roehmann
- 👤 Alexander N Shealy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:18
CPC Classifications
H; H01; H01B; H01B5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN ELECTRICAL POWER TRANSMISSION CONDUCTOR COMPRISING A CORE MEMBER INCLUDING MULTIPLE STRANDS OF ELECTRICAL CONDUCTOR GRADE OF ALUMINUM AND AN OUTER LAYER SURROUNDING SAID CORE MEMBER OF A MATERIAL OF RELATIVELY HIGHER RESISTIVITY THAN SAID ELECTRICAL CONDUCTOR GRADE OF ALUMINUM, SAID MATERIAL OF SAID OUTER LAYER HAVING AN ELECTRICAL CONDUCTIVITY BETWEEN 10 TO 60% OF SAID CORE MEMBER AND BEING ELECTRICALLY CONTINUOUS AND IN INTIMATE ELECTRICAL CONTACT WITH SAID CORE MEMBER THROUGHOUT THE LENGTH THEREOF AND HAVING A THICKNESS SUFFICIENT TO CARRY AND TO ATTENUATE SUBSTANTIALLY ALL OF THE RADIO FREQUENCY CURRENTS ASSOCIATED WITH THE POWER TRANSMISSION.
Claim 2
Dependent Claim
97 words
AN ELECTRICAL POWER TRANSMISSION CONDUCTOR COMPRISING A CORE MEMBER INCLUDING MULTIPLE STRANDS OF ELECTRICAL CONDUCTOR GRADE OF ALUMINUM AND AN OUTER LAYER SURROUNDING SAID CORE MEMBER OF A MATERIAL OF RELATIVELY HIGHER RESISTIVITY THAN SAID ELECTRICAL CONDUCTOR GRADE OF ALUMINUM, SAID MATERIAL OF SAID OUTER LAYER HAVING AN ELECTRICAL CONDUCTIVITY BETWEEN 10 TO 60% OF SAID CORE MEMBER AND BEING ELECTRICALLY CONTINUOUS AND IN INTIMATE ELECTRICAL CONTACT WITH SAID CORE MEMBER THROUGHOUT THE LENGTH THEREOF AND HAVING A THICKNESS SUFFICIENT TO CARRY AND TO ATTENUATE SUBSTANTIALLY ALL OF THE RADIO FREQUENCY CURRENTS ASSOCIATED WITH THE POWER TRANSMISSION.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |