The broken lines in the drawings represent unclaimed environmental subject matter. The broken away symbols in the drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design.
The broken lines in the drawings represent unclaimed environmental subject matter. The broken away symbols in the drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design.
| Number | Date | Country | Kind |
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| 001781212 | Nov 2010 | EM | regional |
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