Cast mould and method for manufacturing contact or intraocular lenses
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Jun 11, 2012
filing date -
Jun 9, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cast mold for manufacturing a contact lens or an intraocular lens, wherein the cast mold is provided with a central part and a bearing ring and a flexible connection between the central part and the bearing ring. Further, an injection mold is provided for manufacturing such a cast mold and a method for manufacturing such a cast mold. The injection mold is provided with a mold cavity with a plunger biased by a spring towards the mold cavity which serves for compensating shrinkage which occurs during the curing of the plastic injected into the injection mold. Also described is a method for manufacturing a contact lens or intraocular lens with the aid of the cast mold, as well as a contact lens or intraocular lens obtained with this method.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| NL | C2 | NL2006921 | Jun 09, 2011 |
| CN | B | CN103796820 | Jun 11, 2012 |
| EP | B1 | EP2718092 | Jun 11, 2012 |
| KR | B1 | KR101854494 | Jun 11, 2012 |
| WO | A1 | WO2012169894 | Jun 11, 2012 |
| CA | C | CA2838580 | Jun 11, 2012 |
| JP | B2 | JP5981536 | Jun 11, 2012 |
| US | B2 | US10889036 | Feb 07, 2018 |
International Classification(s)
- 2012 Application Filing Year
- B29C Class
- 3499 Applications Filed
- 2678 Patents Issued To-Date
- 76.54 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B29C Class
- 0 % this patent is cited more than
- 7 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 | Sep 20, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 20, 2029 |
