US3756703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sunglasses containing embedded louver means
Assignee: Individual
•
Filing: 1971-12-29
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Granted: 1973-09-04
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Expires: 1991-12-29
Abstract
Abstract A sunglass lens of a type to be worn by a person includes a plurality of laterally extending, transparent panes disposed one above the other wherein the panes are curved about the face of the wearer in vertical and horizontal planes. One of the panes is unobstructed so as to form an elongate viewing aperture. Longitudinally extending louvers are disposed within each of two other panes in a manner whereby the louvers are arranged in spaced relation one above the other to form partially transparent masking panes above and below the aperture pane. In manufacturing the sunglass lens of the foregoing type a method is provided for tipping the panes upwardly and downwardly progressively above and below the viewing aperture, the tipping becoming progressively increased with displacement from the plane of the viewing aperture pane.
Inventors
- 👤 R Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:12
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/02; A61F9/022; G; G02; G02C; G02C7/00; G02C7/10; G02C7/16; G02C2202/00; G02C2202/16
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
108 words
A sunglass lens to be worn by a person including a plurality of laterally extending, transparent panes disposed one above the other, longitudinally extending louvers disposed in spaced relation one above the other extending transversely of and embedded in one of said panes to form a partially transparent masking portion and another of said panes being disposed contiguous to the last named said pane to form an unobstructed viewing portion vertically adjacent said masking portion, the first named pane being curved in a vertical plane, and said louvers being tipped at progressively increasing angles to the horizontal at positions located respectively progressively remote from the second named pane.
Claim 2
Dependent Claim
108 words
A sunglass lens to be worn by a person including a plurality of laterally extending, transparent panes disposed one above the other, longitudinally extending louvers disposed in spaced relation one above the other extending transversely of and embedded in one of said panes to form a partially transparent masking portion and another of said panes being disposed contiguous to the last named said pane to form an unobstructed viewing portion vertically adjacent said masking portion, the first named pane being curved in a vertical plane, and said louvers being tipped at progressively increasing angles to the horizontal at positions located respectively progressively remote from the second named pane.
Claim 3
Dependent Claim
102 words
A sunglass lens to be worn by a person including a plurality of laterally extending transparent panes disposed one above the other, longitudinally extending louvers disposed in spaced relation one above the other extending transversely of and lying in one of said panes to form a partially transparent masking portion and another of said panes being disposed contiguous to the last named said pane to form an unobstructed viewing portion vertically adjacent said masking portion, the first named pane having its said louvers disposed at progressively increasing angles to the horizontal at positions located respectively progressively remote from the second named pane.
Claim 4
Dependent Claim
102 words
A sunglass lens to be worn by a person including a plurality of laterally extending transparent panes disposed one above the other, longitudinally extending louvers disposed in spaced relation one above the other extending transversely of and lying in one of said panes to form a partially transparent masking portion and another of said panes being disposed contiguous to the last named said pane to form an unobstructed viewing portion vertically adjacent said masking portion, the first named pane having its said louvers disposed at progressively increasing angles to the horizontal at positions located respectively progressively remote from the second named pane.
Claim 5
Dependent Claim
88 words
In sunglasses of a type to be worn by a person, a lens comprising a plurality of laterally extending, transparent panes disposed one above the other, said panes being curved about the face of the wearer in vertical and horizontal planes, one of said panes being unobstructed to form an elongate viewing aperture, longitudinally extending louvers disposed within each of two others of said panes, said louvers being disposed in spaced relation one above the other to form partially transparent masking panes above and below said aperture pane.
Claim 6
Dependent Claim
88 words
In sunglasses of a type to be worn by a person, a lens comprising a plurality of laterally extending, transparent panes disposed one above the other, said panes being curved about the face of the wearer in vertical and horizontal planes, one of said panes being unobstructed to form an elongate viewing aperture, longitudinally extending louvers disposed within each of two others of said panes, said louvers being disposed in spaced relation one above the other to form partially transparent masking panes above and below said aperture pane.
Claim 7
Dependent Claim
134 words
A lens for sunglasses according to claim 3 wherein said louvers of the panes above and below said aperture pane are tipped respectively upwardly and downwardly as viewed by the wearer at progrEssively increasing angles relative to the horizontal at positions defined respectively increasingly remote from said aperture pane. 5.In sunglasses of a type to be worn by a person, a lens comprising a plurality of laterally extending, transparent panes disposed one above the other, said panes being curved in a horizontal plane about the face of the wearer, one of said panes being unobstructed to form an elongate viewing aperture pane, longitudinally extending louvers disposed within one of said panes, said louvers being disposed in spaced relation one above the other to form a partially transparent masking pane vertically adjacent said aperture pane.
References Cited (Backward Citations)
US2114658A
Cited
US3524789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |