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Questions tagged [time-stamp]

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What does it mean for long time waiting for a Application?

You can find the following patent is filed on 2007, however, till now, it has not been approved. Does it means this application will not be granted? or what does it mean? Thanks.
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0answers
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Prior Art US 20130177891 A1

Audio-visual learning system US 20130177891 A1 Filing date: July 2, 2012 I am searching for Prior Art on the application listed above. Below is prior art that I am aware of. The claims in patent ...