Patent US5237635A successfully refreshed from Google Patents.
US5237635A
Expired / Lapsed
US
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Signal cable having metal-plated polymer shielding
Assignee: W.L. Gore and Associates Inc
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Filing: 1992-07-15
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Granted: 1993-08-17
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Expires: 2012-07-15
Abstract
Abstract A thin flexible signal cable including at least one electrical signal cable and optionally one or more optical fiber cables, having a thinly metal-plated polymer tape shielding layer over a porous insulation. Expanded polytetrafluoroethylene insulation and polyamide tape are preferred.
Inventors
- 👤 Vu A. Lai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:23
CPC Classifications
H; H01; H01B; H01B11/00; H01B11/18; H01B11/1808; H01B11/1817; G; G02; G02B; G02B6/00; G02B6/44; G02B6/4401; G02B6/4415; G02B6/4416; H01B11/22
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
83 words
A signal cable comprising from inside to outside: (a) at least one electrical signal cable; (b) at least one optical fiber cable; (c) said electrical signal cable comprising a conductive metal center conductor surrounded by insulation; (d) said optical fiber cables coated with a cladding of lower refractive index than said fiber and surrounded by a soft expanded polytetrafluorethyleen buffer layer; (e) a layer of polymer having a non-smooth metal-platable surface; and (f) a thin layer of metal plated on said polymer surface.
Claim 2
Dependent Claim
83 words
A signal cable comprising from inside to outside: (a) at least one electrical signal cable; (b) at least one optical fiber cable; (c) said electrical signal cable comprising a conductive metal center conductor surrounded by insulation; (d) said optical fiber cables coated with a cladding of lower refractive index than said fiber and surrounded by a soft expanded polytetrafluorethyleen buffer layer; (e) a layer of polymer having a non-smooth metal-platable surface; and (f) a thin layer of metal plated on said polymer surface.
Claim 3
Dependent Claim
13 words
The cable of claim 1 wherein said electrical insulation comprises a porous polymer.
Claim 4
Dependent Claim
12 words
The cable of claim 2 wherein said porous polymer comprises expanded polytetrafluoroethylene.
Claim 5
Dependent Claim
14 words
The cable of claim 3 wherein said polymer having a metal-platable surface comprises polyamide.
Claim 6
Dependent Claim
11 words
The cable of claim 4 wherein said polyamide comprises polyamide tape.
Claim 7
Dependent Claim
34 words
The cable of claim 5 wherein said layer of metal is selected from the group consisting of copper, aluminum, silver, gold, iron, nickel, cobalt, a magnetic transition metal and conductive or magnetic alloys thereof.
Claim 8
Dependent Claim
17 words
The cable of claim 1 wherein said layer of polymer is less than 2 microns in thickness.
Claim 9
Dependent Claim
23 words
The cable of claim 1 wherein said layer of metal plated on said layer of polymer is less than 1 micron in thickness.
Claim 10
Dependent Claim
12 words
A signal cable of claim 1 surrounded by a protective polymer jacket.
Claim 11
Dependent Claim
14 words
A signal cable of claim 1 wherein said optical fiber cable is single mode.
Claim 12
Dependent Claim
13 words
A signal cable of claim 1 wherein said optical fiber cable is multi-mode.
Claim 13
Dependent Claim
27 words
A signal cable of claim 1 wherein said optical fiber cable is selected from the group polymer clad with amorphous fluoropolymer and quartz glass clad with glass.
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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) | 1996-08-16 | 1997-02-15 | 1997-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-16 | 2001-02-15 | 2001-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-16 | 2005-02-15 | 2005-08-17 | $7700.00 | Window Closed / Lapsed |