Delivery of non-permanent media files to a mobile station
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United States of America Patent
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-
Apr 21, 2009
Grant Date -
Dec 15, 2005
app pub date -
May 27, 2004
filing date -
May 27, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
to purchase a permanent copy of the media file. If accepted, the content provider may provide another copy of the media file, or preferably a permanent decryption key or a second instruction that defeats the first instruction prior to its deletion of the media file.
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