US3219501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of high-voltage cable
Assignee: Ericsson Inc
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Filing: 1962-05-28
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Granted: 1965-11-23
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Victor F Volk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:35
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/22; H01B7/00; H01B7/17; H01B7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN THE PROCESS OF MANUFACTURING A PIP-TYPE CABLE COMPRISING AN INSULATED CONDUCTOR HAVING A PREDETERMINED DIAMETER, THE STEPS OF: (A) EXTRUDING A LENGTH OF DIELECTRIC SKID WIRE, (B) CONTINUOUSLY WRAPPING SAID SKID WIRE AROUND A MANDREL TO FORM A HELIX HAVING A DIAMETER SMALLER THAN THE DIAMETER OF SAID CONDUCTOR, (C) CONTINUOUSLY SLIDING SAID HELIX FROM SAID MANDREL, (D) WHILE ON SAID MANDREL CONTINUOUSLY ANNEALING AND, WHILE ON SAID MANDREL, SUBSEQUENTLY COOLING SAID HELIX, (E) AND THEN IMMEDIATELY CONTINUOUSLY TAKING UP A LENGTH OF THE HELIXED WIRE ON A REEL, SAID LENGTH BEING GREAT COMPARED TO THE LENGTH OF SAID MANDREL, AND (F) WRAPPING SAID SKID WIRE AROUND THE INSULATED CONDUCTOR WHILE COMPRESSING THE OUTER SURFACE OF SAID SKID WIRE.
Claim 2
Dependent Claim
120 words
IN THE PROCESS OF MANUFACTURING A PIP-TYPE CABLE COMPRISING AN INSULATED CONDUCTOR HAVING A PREDETERMINED DIAMETER, THE STEPS OF: (A) EXTRUDING A LENGTH OF DIELECTRIC SKID WIRE, (B) CONTINUOUSLY WRAPPING SAID SKID WIRE AROUND A MANDREL TO FORM A HELIX HAVING A DIAMETER SMALLER THAN THE DIAMETER OF SAID CONDUCTOR, (C) CONTINUOUSLY SLIDING SAID HELIX FROM SAID MANDREL, (D) WHILE ON SAID MANDREL CONTINUOUSLY ANNEALING AND, WHILE ON SAID MANDREL, SUBSEQUENTLY COOLING SAID HELIX, (E) AND THEN IMMEDIATELY CONTINUOUSLY TAKING UP A LENGTH OF THE HELIXED WIRE ON A REEL, SAID LENGTH BEING GREAT COMPARED TO THE LENGTH OF SAID MANDREL, AND (F) WRAPPING SAID SKID WIRE AROUND THE INSULATED CONDUCTOR WHILE COMPRESSING THE OUTER SURFACE OF SAID SKID WIRE.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |