Apparatus for producing an optical effect
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United States of America Patent
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Mar 20, 2012
Grant Date -
Feb 7, 2008
app pub date -
Sep 12, 2005
filing date -
Sep 10, 2004
priority date (Note) -
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Abstract
The present invention relates to apparatus for producing an optical effect, and in particular to an apparatus for producing an optical effect resembling flames and smoke. More especially, the invention relates to flame effect electric fires, such as for domestic use, which may or may not include means for space heating and which include and optical effect to resemble burning solid fuel.
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