Sunglass lens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 4, 1992
Grant Date -
N/A
app pub date -
Sep 12, 1990
filing date -
Sep 12, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A combination lens (10) for sunglasses is disclosed which uses a pair of superposed lenses (12 and 14) which are laminated together with a polarized light filtering film (26) in between said lenses. Polarized light filtering film (26) has had light absorbing dye and ultraviolet radiation inhibitors integrated into the film material. Front, or anterior lens (12) is a photochromic glass plate with a metallic light reflective coating (18) applied to the inner laminated surface (16) of anterior lens (12). Rear, or posterior lens (14) has an anti-reflective filter (22) applied to the outer non-laminated surface (24) of posterior lens (14).
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully