Patent US2459039A successfully refreshed from Google Patents.
US3649745A
Expired / Lapsed
US
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Sodium conductor cable
Assignee: Ericsson Inc
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Filing: 1970-08-14
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Granted: 1972-03-14
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Expires: 1990-08-14
Abstract
Abstract In a sodium cable the conductor is contained within a foil sheath having a bonded, overlapped seam and bonded to a layer of polymeric composition. Apparatus for making this cable includes a pipe for the sodium and a tube former forming a tube of foiladhesive laminate around the pipe which extends into an extruder for applying the layer of polymeric composition. A method of making the sodium conductor cable comprises continuously forming a foil-laminate tube and filling it with sodium during the extrusion operation.
Inventors
- 👤 Victor F Volk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:51
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/22; H01B13/26; H01B13/2613; H01B13/266; H01B1/00; H01B1/02; H01B7/00; H01B7/0009; H01B7/0036; Y; Y10; Y10S; Y10S174/00; Y10S174/07
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
10 words
The cable of claim 1 wherein said foil comprises aluminum.
Claim 2
Dependent Claim
16 words
The cable of claim 1 wherein said film comprises a copolymer of ethylene and acrylic acid.
Claim 3
Dependent Claim
16 words
The cable of claim 2 wherein said film comprises a copolymer of ethylene and acrylic acid.
Claim 4
Dependent Claim
10 words
The cable of claim 1 wherein said wall comprises polyethylene.
Claim 5
Dependent Claim
10 words
The cable of claim 3 wherein said wall comprises polyethylene.
Claim 6
Dependent Claim
10 words
The cable of claim 4 wherein said wall comprises polyethylene.
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) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |