US3344371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical transmission line
Assignee: DIELECTRIC PRODUCTS ENGINEERIN
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Filing: 1965-02-11
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Granted: 1967-09-26
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Expires: 1985-02-11
Abstract
No abstract record available.
Inventors
- 👤 Donald N Sewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:00
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/18; H01B13/20; H01B11/00; H01B11/18; H01B11/1873
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN ELECTRICAL TRANSMISSION LINE STRUCTURE COMPRISING A FIRST TUBULAR CONDUCTOR, A SECOND TUBULAR CONDUCTOR DISPOSED COAXIALLY RELATIVE TO SAID FIRST CONDUCTOR, SAID SECOND CONDUCTOR HAVING A CONTINUOUS WALL OF SUBSTANTIALLY UNIFORM THICKNESS, AN ANNULAR GROOVE IN THE WALL OF SAID SECOND CONDUCTOR, AND A RADIALLY EXTENDING DIELECTRIC ELEMENT HAVING A FIRST END PORTION SECURED IN SAID GROOVE SO THAT MOVEMENT OF SAID ELEMENT ALONG SAID SECOND CONDUCTOR IN THE AXIAL DIRECTION IS PREVENTED, AND A SECOND END PORTION OPPOSITE SAID FIRST END PORTION ENGAGING A SURFACE OF SAID FIRST CONDUCTOR FOR SUPPORTING SAID FIRST AND SECOND CONDUCTORS IN COAXIAL RELATION.
Claim 2
Dependent Claim
100 words
AN ELECTRICAL TRANSMISSION LINE STRUCTURE COMPRISING A FIRST TUBULAR CONDUCTOR, A SECOND TUBULAR CONDUCTOR DISPOSED COAXIALLY RELATIVE TO SAID FIRST CONDUCTOR, SAID SECOND CONDUCTOR HAVING A CONTINUOUS WALL OF SUBSTANTIALLY UNIFORM THICKNESS, AN ANNULAR GROOVE IN THE WALL OF SAID SECOND CONDUCTOR, AND A RADIALLY EXTENDING DIELECTRIC ELEMENT HAVING A FIRST END PORTION SECURED IN SAID GROOVE SO THAT MOVEMENT OF SAID ELEMENT ALONG SAID SECOND CONDUCTOR IN THE AXIAL DIRECTION IS PREVENTED, AND A SECOND END PORTION OPPOSITE SAID FIRST END PORTION ENGAGING A SURFACE OF SAID FIRST CONDUCTOR FOR SUPPORTING SAID FIRST AND SECOND CONDUCTORS IN COAXIAL RELATION.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |