US4778245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical communication cable
Assignee: Japan Exlan Co Ltd
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Filing: 1985-11-22
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Granted: 1988-10-18
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Expires: 2005-11-22
Abstract
Abstract An optical communication cable with less breakage or damage during the preparation and handling which comprises an optical fiber strand, a tension-resistant material, and a synthetic resin coating layer, the tension-resistant material being provided between the optical fiber strand and the synthetic resin coating layer and being fibers obtained by melt spinning an aromatic polyester showing an anisotropy in the molten state.
Inventors
- 👤 Katsuji Ueno
- 👤 Hiroaki Sugimoto
- 👤 Kazuo Hayatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:43
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/44; G02B6/4401; G02B6/4429
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
An optical communication cable which comprises an optical fiber strand, a tension-resistant material which does not absorb moisture surrounding the optical fiber strand, and a synthetic resin coating layer, the tension-resistant material being provided between the optical fiber strand and the synthetic resin coating layer and being fibers obtained by melt spinning an aromatic polyester showing anisotropy in the molten state.
Claim 2
Dependent Claim
61 words
An optical communication cable which comprises an optical fiber strand, a tension-resistant material which does not absorb moisture surrounding the optical fiber strand, and a synthetic resin coating layer, the tension-resistant material being provided between the optical fiber strand and the synthetic resin coating layer and being fibers obtained by melt spinning an aromatic polyester showing anisotropy in the molten state.
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) | 1991-10-18 | 1992-04-18 | 1992-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-18 | 1996-04-18 | 1996-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-18 | 2000-04-18 | 2000-10-18 | $7700.00 | Window Closed / Lapsed |