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The International trademark SILFEX was filed as Word mark on 07/27/2009 at the World Intellectual Property Organization.
| Trademark form | Word mark |
| File reference | 1025537 |
| Countries | 
|
| Base trademark |
No. 77667696,
February 10, 2009
|
| Application date | July 27, 2009 |
| Expiration date | July 27, 2029 |
Trademark owner
4650 Cushing Parkway
Fremont, CA 94538
US
Fremont, CA 94538
US
Trademark representatives
PO BOX 136
San Francisco CA 94104-0136
US
goods and services
01
Pure non-metallic silicon sold in ingots, slices, loose
aggregate chunks; silicon; silicon carbide
09
Silicon solar cell material for electricity generation;
silicon wafers; bonded silicon assemblies for use in
semiconductor manufacturing; optical devices incorporating
silicon and silicon carbide, namely, silicon mirrors,
silicon lenses and silicon windows; silicon mirrors; silicon
targets; optical transmission devices, namely, silicon
mirrors, silicon lenses, silicon windows
Trademark history
| Date | Document number | Area | Entry |
|---|---|---|---|
| July 27, 2019 | 2019/37 Gaz | Extension | |
| September 1, 2011 | 2013/6 Gaz | KR | RAW: Rule 18ter(2)(ii) GP following a provisional refusal |
| March 17, 2011 | 2013/5 Gaz | JP | RAW: Rule 18ter(2)(ii) GP following a provisional refusal |
| January 19, 2011 | 2011/4 Gaz | KR | Rejection |
| November 12, 2010 | 2010/48 Gaz | CN | Rejection |
| July 8, 2010 | 2010/29 Gaz | JP | Rejection |
| May 3, 2010 | 2010/33 Gaz | SG | Rejection |
| July 27, 2009 | 2010/2 Gaz | US | Registration |
ID: 141025537