US4787697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical fiber connector having magnifying lens
Assignee: Corning Research and Development Corp
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Filing: 1987-11-20
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Granted: 1988-11-29
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Expires: 2007-11-20
Abstract
Abstract An optical fiber connector having a magnifying lens to aid the user in placement of the optical fibers to be abutted.
Inventors
- 👤 Mark E. Alrutz
- 👤 David L. Dean
- 👤 Dennis M. Knecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:35
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/36; G02B6/38; G02B6/3807; G02B6/3873; G02B6/3882; G02B6/3801; G02B6/3803; G02B6/3806
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
42 words
Apparatus comprising: (a) two optical fibers; and (b) a frame holding the two optical fibers in an end to end abutting relationship, the frame having a transparent portion comprising a magnifying lens transverse to the area of abutment of the optical fibers.
Claim 2
Dependent Claim
42 words
Apparatus comprising: (a) two optical fibers; and (b) a frame holding the two optical fibers in an end to end abutting relationship, the frame having a transparent portion comprising a magnifying lens transverse to the area of abutment of the optical fibers.
Claim 3
Dependent Claim
50 words
Apparatus comprising: (a) two optical fibers; (b) a frame holding the two optical fibers in an end to end abutting relationship, the frame having a transparent portion transverse to the area of abutment of the optical fibers; and (c) an outer sleeve comprising a magnifying lens disposed around the frame.
Claim 4
Dependent Claim
50 words
Apparatus comprising: (a) two optical fibers; (b) a frame holding the two optical fibers in an end to end abutting relationship, the frame having a transparent portion transverse to the area of abutment of the optical fibers; and (c) an outer sleeve comprising a magnifying lens disposed around the frame.
Claim 5
Dependent Claim
23 words
Apparatus as recited in claim 2, the outer sleeve comprising a magnifying lens transverse to the area of abutment of the optical fibers.
Claim 6
Dependent Claim
23 words
Apparatus as recited in claim 2, the outer sleeve comprising two magnifying lenses transverse to the area of abutment of the optical fibers.
Claim 7
Dependent Claim
23 words
Apparatus as recited in claim 2, the outer sleeve comprising three magnifying lenses transverse to the area of abutment of the optical fibers.
Claim 8
Dependent Claim
53 words
Apparatus comprising: (a) a frame having a channel therein; (b) two optical fiber ends placed in an end to end abutting relationship in the channel; (c) a frame lid comprising a magnifying lens; and (d) a sleeve placed around the frame and frame lid, the sleeve being transparent adjacent to the magnifying lens.
Claim 9
Dependent Claim
53 words
Apparatus comprising: (a) a frame having a channel therein; (b) two optical fiber ends placed in an end to end abutting relationship in the channel; (c) a frame lid comprising a magnifying lens; and (d) a sleeve placed around the frame and frame lid, the sleeve being transparent adjacent to the magnifying lens.
Claim 10
Dependent Claim
13 words
Apparatus as recited in claim 6, wherein the magnifying lens is spherical plano-convex.
Claim 11
Dependent Claim
13 words
Apparatus as recited in claim 6, wherein the magnifying lens is cylindrical plano-convex.
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) | 1991-11-29 | 1992-05-30 | 1992-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-29 | 1996-05-30 | 1996-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-29 | 2000-05-30 | 2000-11-29 | $7700.00 | Window Closed / Lapsed |