US5237635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal cable having metal-plated polymer shielding
Assignee: W.L. Gore and Associates Inc
•
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 01:24
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.
References Cited (Backward Citations)
US3883218A
Cited
US4158478A
Cited
US4272155A
Cited
US4443657A
Cited
US4741594A
Cited
US4653851A
Cited
US5002359A
Cited
US5138684A
Cited
US5189721A
Cited
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 |