US5388175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical cable having powder embedded in plastic surfaces
Assignee: Corning Research and Development Corp
•
Filing: 1994-01-25
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Granted: 1995-02-07
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Expires: 2014-01-25
Abstract
Abstract A light waveguide cable having powder embedded in the outer surfaces of plastic material such as central members, open ribbon carriers, or buffer tubes. Powder is deposited during the extrusion or after subsequent reheating.
Inventors
- 👤 Mary A. Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:13
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/44; G02B6/4479; G02B6/4483; G02B6/4401; G02B6/4407; G02B6/4408; G02B6/4429; G02B6/44384; G02B6/02; G02B6/02395
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
44 words
A light waveguide cable, comprising: a central member having a powder embedded only in the outer surface thereof in the absence of an adhesive on such surface; an outer sheath; and, at least one light waveguide between the outer sheath and the central member.
Claim 2
Dependent Claim
44 words
A light waveguide cable, comprising: a central member having a powder embedded only in the outer surface thereof in the absence of an adhesive on such surface; an outer sheath; and, at least one light waveguide between the outer sheath and the central member.
Claim 3
Dependent Claim
15 words
A light waveguide cable as described in claim 1 wherein the powder is water absorbent.
Claim 4
Dependent Claim
15 words
A light waveguide cable as described in claim 1 wherein the powder is flame retardant.
Claim 5
Dependent Claim
22 words
A light waveguide cable as described in claim 1, wherein the powder is a mixture of water absorbent and flame retardant materials.
Claim 6
Dependent Claim
45 words
A light waveguide cable, comprising: a light waveguide; a thermoplastic tube holding the light waveguide, the thermoplastic tube having a powder embedded only in the outer surface thereof in the absence of an adhesive on such surface; and, an outer sheath holding the thermoplastic tube.
Claim 7
Dependent Claim
45 words
A light waveguide cable, comprising: a light waveguide; a thermoplastic tube holding the light waveguide, the thermoplastic tube having a powder embedded only in the outer surface thereof in the absence of an adhesive on such surface; and, an outer sheath holding the thermoplastic tube.
Claim 8
Dependent Claim
15 words
A light waveguide cable as described in claim 5 wherein the powder is water absorbent.
Claim 9
Dependent Claim
15 words
A light waveguide cable as described in claim 5 wherein the powder is flame retardant.
Claim 10
Dependent Claim
22 words
A light waveguide cable as described in claim 5 wherein the powder is a mixture of water absorbent and flame retardant materials.
Claim 11
Dependent Claim
57 words
A light waveguide cable, comprising: a light waveguide ribbon; a thermoplastic open ribbon carrier holding the light waveguide, the open ribbon carrier having a powder embedded only in the outer surface thereof not adjacent to the light waveguide ribbon in the absence of an adhesive on such surface; and, an outer sheath holding the open ribbon carrier.
Claim 12
Dependent Claim
57 words
A light waveguide cable, comprising: a light waveguide ribbon; a thermoplastic open ribbon carrier holding the light waveguide, the open ribbon carrier having a powder embedded only in the outer surface thereof not adjacent to the light waveguide ribbon in the absence of an adhesive on such surface; and, an outer sheath holding the open ribbon carrier.
Claim 13
Dependent Claim
15 words
A light waveguide cable as described in claim 9 wherein the powder is water absorbent.
Claim 14
Dependent Claim
15 words
A light waveguide cable as described in claim 9 wherein the powder is flame retardant.
Claim 15
Dependent Claim
22 words
A light waveguide cable as described in claim 9 wherein the powder is a mixture of water absorbent and flame retardant materials.
References Cited (Backward Citations)
US3538235A
Cited
US4401366A
Cited
US4596443A
Cited
US4525026A
Cited
US4765711A
Cited
US4718747A
Cited
US4725122A
Cited
US4767184A
Cited
US5039197A
Cited
US5181268A
Cited
US5261021A
Cited
US5321788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-02-06 | 1998-08-08 | 1999-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-02-06 | 2002-08-08 | 2003-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-02-06 | 2006-08-08 | 2007-02-07 | $7700.00 | Window Closed / Lapsed |