Patent US3286015A successfully refreshed from Google Patents.
US3286015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial high frequency cable and insulating spacer
Assignee: Hackethal Draht Kabel Werke AG
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Filing: 1964-08-21
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Granted: 1966-11-15
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Expires: 1984-08-21
Abstract
No abstract record available.
Inventors
- 👤 Hildebrand Helmut
- 👤 Staschewski Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:49
CPC Classifications
H; H01; H01B; H01B11/00; H01B11/18; H01B11/1834; H01B11/1847
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A HIGH FREQUENCY CABLE COMPRISING A TUBULAR OUTER CONDUCTOR, SAID OUTER CONDUCTOR BEING CORRUGATED TO PROVIDE ALTERNATING CREST AND TROUGH PORTIONS ALONG THE LENGTH THEREOF, AN INNER CONDUCTOR COAXIALLY RELATED TO SAID OUTER CONDUCTOR, AND DIELECTRIC SPACER MEANS BETWEEN SAID CONDUCTORS, SAID SPACER MEANS COMPRISING A CONTINUOUS HELICALLY EXTENDING PORTION IN CONTACT WITH THE OUTER SURFACE OF SAID INNER CONDUCTOR AND RADIALLY EXTENDING PORTIONS SPACED ALONG THE LENGTH OF SAID CONTINUOUS PORTION, EACH OF SAID RADIALLY EXTENDING PORTIONS INCLUDING AT THE OUTER END THEREOF A PORTION OF A LENGTH SUFFICIENT TO ABUT AT LEAST ONE CREST PORTION OF SAID OUTER CONDUCTOR.
Claim 2
Dependent Claim
101 words
A HIGH FREQUENCY CABLE COMPRISING A TUBULAR OUTER CONDUCTOR, SAID OUTER CONDUCTOR BEING CORRUGATED TO PROVIDE ALTERNATING CREST AND TROUGH PORTIONS ALONG THE LENGTH THEREOF, AN INNER CONDUCTOR COAXIALLY RELATED TO SAID OUTER CONDUCTOR, AND DIELECTRIC SPACER MEANS BETWEEN SAID CONDUCTORS, SAID SPACER MEANS COMPRISING A CONTINUOUS HELICALLY EXTENDING PORTION IN CONTACT WITH THE OUTER SURFACE OF SAID INNER CONDUCTOR AND RADIALLY EXTENDING PORTIONS SPACED ALONG THE LENGTH OF SAID CONTINUOUS PORTION, EACH OF SAID RADIALLY EXTENDING PORTIONS INCLUDING AT THE OUTER END THEREOF A PORTION OF A LENGTH SUFFICIENT TO ABUT AT LEAST ONE CREST PORTION OF SAID OUTER CONDUCTOR.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |