Method for marking an indication to the lens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 11, 1982
Grant Date -
N/A
app pub date -
Dec 11, 1979
filing date -
Dec 11, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Plastic eyeglass lenses and the like are marked with an identifying character or symbol by applying to the surface thereof or dissolving or comelting therein a flourescent dyestuff according to the disclosed method. When the proper amount of flourescent dyestuff is included the lens appears normal in sunlight but is characteristically marked in whole or in part under ultraviolet light depending on the area treated.
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