US3746424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weather-resistant light transmitting isolating device
Assignee: Siemens AG
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Filing: 1971-07-02
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Granted: 1973-07-17
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Expires: 1991-07-02
Abstract
Abstract A weather resistant isolating device for transmitting light through a high-voltage field has a trunk of fiber material and at least one glass-fiber bundle suitable for transmitting light contained in the trunk. The trunk and bundle are flexible and a jacket of synthetic material surrounds the trunk and has a plurality of skirts distributed along its length.
Inventors
- 👤 W Hermstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:04
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/14; G01R15/22; G02; G02B; G02B6/00; G02B6/44; G02B6/4401; G02B6/4415; G02B6/4416; G02B6/4417; G02B6/442
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
65 words
A weather resistant isolating device for transmitting light through a high-voltage field, comprising a trunk of fiber material, at least one glass-fiber bundle suitable for transmitting light contained in said trunk, said trunk and said bundle being flexible, and a flexible jacket of synthetic material surrounding said trunk and having a plurality of skirts distributed along its length, whereby said isolating device is rendered flexible.
Claim 2
Dependent Claim
65 words
A weather resistant isolating device for transmitting light through a high-voltage field, comprising a trunk of fiber material, at least one glass-fiber bundle suitable for transmitting light contained in said trunk, said trunk and said bundle being flexible, and a flexible jacket of synthetic material surrounding said trunk and having a plurality of skirts distributed along its length, whereby said isolating device is rendered flexible.
Claim 3
Dependent Claim
16 words
A device according to claim 1, said glass fiber bundle being tightly embedded in said trunk.
Claim 4
Dependent Claim
22 words
A device according to claim 1, comprising an isolating tube embedded in said trunk, said glass-fiber bundle being disposed in said tube.
Claim 5
Dependent Claim
14 words
A device according to claim 1, said glass-fiber bundle being an index-gradient light conductor.
Claim 6
Dependent Claim
15 words
A device according to claim 1, said device having respective coupling flanges at its ends.
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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |