US3291898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage expanded electrical conductors
Assignee: Alcoa Corp
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Filing: 1964-01-21
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Granted: 1966-12-13
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Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 Donald H Sandell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:31
CPC Classifications
H; H01; H01B; H01B5/00; H01B5/08; H01B5/10; H01B5/102; H01B5/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
AN EXPANDED HIGH VOLTAGE CONDUCTOR COMPRISING A CENTRAL CYLINDRICAL ELONGATE CORE OF REINFORCING MATERIAL, AT LEAST ONE LAYER OF CIRCUMFERENTIALLY EQUISPACED ELECTRICALLY CONDUCTIVE SKELETAL STRANDS HELICALLY LAID AND SUPPORTED ON THE EXTERIOR SURFACE OF THE SAID CENTRAL CORE, AT LEAST ONE ADDITIONAL LAYER OF OPPOSITELY GENERALLY HELICALLY LAID ELECTRICALLY CONDUCTIVE STRANDS SUPPORTED ON OUTER SURFACES OF THE EQUISPACED ELECTRICALLY CONDUCTIVE SKELETAL STRANDS, EACH OF SAID STRANDS IN THE ADDITIONAL LAYER THEREOF BEING PERMANENTLY DEFORMED AND ANGULARLY KINKED TO PROVIDE SUBSTANTIALLY STRAIGHT CHORDS BRIDGING THE SPACES BETWEEN THE ADJACENT UNDERLYIGN EQUISPACED SKELETAL STRANDS, THE KINKS IN EACH STRAND OF THE ADDITIONAL LAYER THEREOF DEFINING THE CORNERS OF A POLYGONAL TRACE IN ONE COMPLETE GENERALLY HELICAL LAY OF EACH SAID STRAND, AT LEAST ONE LAYER OF CIRCUMFERENTIALLY CONTACTING HELICALLY LAID ELECTRICALLY CONDUCTIVE STRANDS SUPPORTED ON THE ADDITIONAL LAYER OF KINKED STRANDS UNDERLYING THE SAME IN OPPOSITE LAY THERETO, SAID LAST MENTIONED STRANDS BEING DISPOSED IN CIRCULAR TRANSVERSE TRACE HAVING AN INNER CIRCUMFERENCE CIRCUMSCRIBING THE CORNERS OF THE POLYGONAL TRANSVERSE TRACES FORMED BY THE ADDITIONAL LAYER OF KINKED STRANDS, AND SAID LAYER OF CIRCUMFERENTIALLY EQUISPACED SKELETAL STRANDS FORMING LATERAL WALLS OF AXIALLY EXTENDING PASSAGES RADIALLY OUTWARDLY DISPOSED FROM THE CENTER OF THE CONDUCTOR.
Claim 2
Dependent Claim
200 words
AN EXPANDED HIGH VOLTAGE CONDUCTOR COMPRISING A CENTRAL CYLINDRICAL ELONGATE CORE OF REINFORCING MATERIAL, AT LEAST ONE LAYER OF CIRCUMFERENTIALLY EQUISPACED ELECTRICALLY CONDUCTIVE SKELETAL STRANDS HELICALLY LAID AND SUPPORTED ON THE EXTERIOR SURFACE OF THE SAID CENTRAL CORE, AT LEAST ONE ADDITIONAL LAYER OF OPPOSITELY GENERALLY HELICALLY LAID ELECTRICALLY CONDUCTIVE STRANDS SUPPORTED ON OUTER SURFACES OF THE EQUISPACED ELECTRICALLY CONDUCTIVE SKELETAL STRANDS, EACH OF SAID STRANDS IN THE ADDITIONAL LAYER THEREOF BEING PERMANENTLY DEFORMED AND ANGULARLY KINKED TO PROVIDE SUBSTANTIALLY STRAIGHT CHORDS BRIDGING THE SPACES BETWEEN THE ADJACENT UNDERLYIGN EQUISPACED SKELETAL STRANDS, THE KINKS IN EACH STRAND OF THE ADDITIONAL LAYER THEREOF DEFINING THE CORNERS OF A POLYGONAL TRACE IN ONE COMPLETE GENERALLY HELICAL LAY OF EACH SAID STRAND, AT LEAST ONE LAYER OF CIRCUMFERENTIALLY CONTACTING HELICALLY LAID ELECTRICALLY CONDUCTIVE STRANDS SUPPORTED ON THE ADDITIONAL LAYER OF KINKED STRANDS UNDERLYING THE SAME IN OPPOSITE LAY THERETO, SAID LAST MENTIONED STRANDS BEING DISPOSED IN CIRCULAR TRANSVERSE TRACE HAVING AN INNER CIRCUMFERENCE CIRCUMSCRIBING THE CORNERS OF THE POLYGONAL TRANSVERSE TRACES FORMED BY THE ADDITIONAL LAYER OF KINKED STRANDS, AND SAID LAYER OF CIRCUMFERENTIALLY EQUISPACED SKELETAL STRANDS FORMING LATERAL WALLS OF AXIALLY EXTENDING PASSAGES RADIALLY OUTWARDLY DISPOSED FROM THE CENTER OF THE CONDUCTOR.
References Cited (Backward Citations)
CA549885A
Cited
US1999273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |