Patent US4515432A successfully refreshed from Google Patents.
US4515432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber optics heat formed assembly
Assignee: National Semiconductor Corp
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Filing: 1980-12-31
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Granted: 1985-05-07
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Expires: 2000-12-31
Abstract
Abstract One end of a plastic optical fiber is attached to an LED by pressing a melted end of the optical fiber against the LED.
Inventors
- 👤 James S. Sherwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:33
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4201; G02B6/4202
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
33 words
A fiber optical assembly comprising an optical fiber attached to an optical device by melting one end of the optical fiber, pressing the melted fiber against the optical device, and cooling the assembly.
Claim 2
Dependent Claim
33 words
A fiber optical assembly comprising an optical fiber attached to an optical device by melting one end of the optical fiber, pressing the melted fiber against the optical device, and cooling the assembly.
Claim 3
Dependent Claim
21 words
A fiber optical assembly as in claim 1 wherein the optical fiber is plastic and the optical device is an LED.
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) | 1988-05-06 | 1988-11-05 | 1989-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-06 | 1992-11-05 | 1993-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-06 | 1996-11-05 | 1997-05-07 | $7700.00 | Window Closed / Lapsed |