Optical evaluation of lenses and lens molds
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United States of America Patent
Stats
-
Mar 21, 2017
Grant Date -
Feb 18, 2016
app pub date -
Aug 13, 2015
filing date -
Aug 15, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for determining information about an object including a curved portion and a planar portion, the curved portion having a first curved surface having an apex and defining an axis of the object, includes: directing measurement light to the object; detecting measurement light reflected from the first curved surface of the curved portion; detecting measurement light reflected from at least one other surface of the object; and determining, based on the detected light, information about the apex of the first curved surface of the curved portion.
First Claim
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International Classification(s)
- 2015 Application Filing Year
- G01M Class
- 1327 Applications Filed
- 1023 Patents Issued To-Date
- 77.10 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- G01M Class
- 0 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 21, 2028 |
