US3924927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core glass for fiber optics
Assignee: Owens Corning
•
Filing: 1975-03-28
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Granted: 1975-12-09
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Expires: 1995-03-28
Abstract
Abstract I have developed bulk zinc alkali silicate glass compositions for fiber optics. I use this glass as the core glass in a fiber optic composed of a cladding glass surrounding a core glass. My core glass is not sensitive to radiation.
Inventors
- 👤 Warren W Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:44
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/083; C03C13/00; C03C13/04; C03C13/045; C03C13/046; C03C3/085; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
29 words
A BULK ZINC ALKALI SILICATE GLASS COMPOSITION HAVING AN INDEX OF REFRACTION RANGING FROM 1.545 TO 1.560, SUITABLE FOR USE AS FIBER OPTICS AND CONSISTING ESSENTIALLY BY WEIGHT OF:
Claim 2
Dependent Claim
29 words
A BULK ZINC ALKALI SILICATE GLASS COMPOSITION HAVING AN INDEX OF REFRACTION RANGING FROM 1.545 TO 1.560, SUITABLE FOR USE AS FIBER OPTICS AND CONSISTING ESSENTIALLY BY WEIGHT OF:
Claim 3
Dependent Claim
12 words
A glass composition according to claim 1 consisting essentially by weight of:
Claim 4
Dependent Claim
12 words
A glass composition according to claim 1 consisting essentially by weight of:
Claim 5
Dependent Claim
47 words
A light transmitting glass fiber comprising a cladding glass surrounding a core glass, the core glass having an index of refraction greater than that of the cladding glass, the core glass having the composition of claim 1, and wherein the cladding glass consists essentially by weight of:
Claim 6
Dependent Claim
17 words
A light transmitting fiber according to claim 4 in which the the core glass consists essentially of:
Claim 7
Dependent Claim
16 words
A light transmitting fiber according to claim 4 in which the core glass consists essentially of:
Claim 8
Dependent Claim
21 words
A light transmitting glass fiber according to claim 6 wherein the cladding glass is one selected from the group consisting of
Claim 9
Dependent Claim
18 words
A light transmitting optical fiber bundle comprising a plurality of the light transmitting glass fibers of claim 4.
Claim 10
Dependent Claim
18 words
A light transmitting optical fiber bundle comprising a plurality of the light transmitting glass fibers of claim 7.
References Cited (Backward Citations)
US3249460A
Cited
US3673049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |