Optical lens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 4, 2020
Grant Date -
Aug 10, 2017
app pub date -
Feb 5, 2016
filing date -
Feb 5, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
An optical lens including a first lens group and a second lens group is provided. The first lens group is arranged between a magnified side and a minified side. The first lens group includes three lenses. A surface of a second lens facing to the minified side is a convex aspherical surface. The second lens group includes three lenses. Each of the first lens group and the second lens group includes at least one aspherical lens.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- G02B Class
- 10130 Applications Filed
- 7990 Patents Issued To-Date
- 78.88 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- G02B Class
- 0 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 4, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 4, 2032 |
