US3217084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cable having compressed insulation
Assignee: Ericsson Inc
•
Filing: 1960-12-20
•
Granted: 1965-11-09
•
Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Iii George Feick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:15
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/02; H01B7/0241; H01B7/025; H01B13/00; H01B13/06; H01B13/08; H01B13/0883
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A HIGH-VOLTAGE ELECTRIC CABLE COMPRISING A CONDUCTOR, A WALL OF SOLID EXTRUDED INSULATION AROUND SAID CONDUCTOR, SAID INSULATION BEING SUBJECT TO VOIDS, A LARGE PLURALITY OF LAYERS OF EXTENSIBLE TAPE WRAPPED AROUND SAID INSULATION, SAID TAPE BEING STRETCHED AND SAID INSULATION BEING CONTINUINGLY COMPRESSED TO A PRESSURE OF AT LEAST 200 P.S.I. BY SAID LAYERS THEREBY HAVING INCREASED DIELECTRIC STRENGTH IN SAID ENTRUDED WALL BY VIRTUE OF THE COMPRESSION OF ANY VOIDS.
Claim 2
Dependent Claim
72 words
A HIGH-VOLTAGE ELECTRIC CABLE COMPRISING A CONDUCTOR, A WALL OF SOLID EXTRUDED INSULATION AROUND SAID CONDUCTOR, SAID INSULATION BEING SUBJECT TO VOIDS, A LARGE PLURALITY OF LAYERS OF EXTENSIBLE TAPE WRAPPED AROUND SAID INSULATION, SAID TAPE BEING STRETCHED AND SAID INSULATION BEING CONTINUINGLY COMPRESSED TO A PRESSURE OF AT LEAST 200 P.S.I. BY SAID LAYERS THEREBY HAVING INCREASED DIELECTRIC STRENGTH IN SAID ENTRUDED WALL BY VIRTUE OF THE COMPRESSION OF ANY VOIDS.
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |