US3689136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sunglasses with reversible shade portions
Assignee: Individual
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Filing: 1970-09-09
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Granted: 1972-09-05
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Expires: 1990-09-09
Abstract
Abstract Sunglasses having a pair of removable lenses. Each lens has side-by-side zones of different light-transmitting characteristics. The frame is arranged with lens-supporting means adapted to selectively support the lenses in one of two relatively inverted positions with either of the zones directly in front of the wearer''s eyes and the other of the zones at the side adjacent the temple of the frame.
Inventors
- 👤 Zaven Atamian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:07
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/10; G02C1/00; G02C1/10; G02C2200/00; G02C2200/08
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
117 words
A sunglass construction comprising; a pair of lenses each having a pair of zones of different light transmitting characteristics arranged side by side, a pair of lens frames for holding respective lenses of said pair of lenses, a bridge intercoupling said lens frames, each said lens being selectively insertable in its associated frame with like zones of said pairs of zones disposed in front of a wearer''s eyes and adjacent the bridge, and the other like zones of said pairs of zones disposed generally laterally of said wearer''s eyes whereby said lenses are retractable and insertable in a reverse manner so that the other of said pair of zones is disposed in front of the wearer''s eyes.
Claim 2
Dependent Claim
117 words
A sunglass construction comprising; a pair of lenses each having a pair of zones of different light transmitting characteristics arranged side by side, a pair of lens frames for holding respective lenses of said pair of lenses, a bridge intercoupling said lens frames, each said lens being selectively insertable in its associated frame with like zones of said pairs of zones disposed in front of a wearer''s eyes and adjacent the bridge, and the other like zones of said pairs of zones disposed generally laterally of said wearer''s eyes whereby said lenses are retractable and insertable in a reverse manner so that the other of said pair of zones is disposed in front of the wearer''s eyes.
Claim 3
Dependent Claim
32 words
A sunglass construction as set forth in claim 13 wherein each said lens has an elongated dimension larger than its other dimensions with said zones arranged in sequence along the elongated dimension.
Claim 4
Dependent Claim
32 words
A sunglass as set forth in claim 1 wherein said lens frames are shaped to receive said lenses in one of two positions with said positions inverted with respect to each other.
Claim 5
Dependent Claim
30 words
A sunglass as set forth in claim 3 wherein said lens frames are formed with an inner periphery having channels adapted to receive and support the periphery of said lens.
Claim 6
Dependent Claim
34 words
A sunglass as set forth in claim 4 including a bridge interconnecting said lens frames and a pair of temples connected each to a different one of said lens frames remote from said bridge.
Claim 7
Dependent Claim
50 words
A sunglass as set forth in claim 5 wherein said lens frames are formed of a continuous member defining said inner periphery with a slot formed in said member in planar alignment with said channels whereby said lens may be inserted and removed from said lens frame through said slot.
Claim 8
Dependent Claim
40 words
A sunglass as set forth in claim 1 wherein said lens means comprises a lens sheet of transparent material arcuately curved with said zones defined one from the other along a line angular to the radius of said arcuate curve.
Claim 9
Dependent Claim
41 words
A sunglass as set forth in claim 7 wherein the periphery of said lens on one side of a diagonal through said lens is substantially a mirror image of the portion of the periphery on the other side of said lens.
Claim 10
Dependent Claim
28 words
A sunglass construction as set forth in claim 1 wherein said lens means includes a pair of transparent plastic sheets overlying and sandwiching said pair of zones therebetween.
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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |