When Microsoft pulled back the curtain on Windows Phone 7 earlier this year at the 2010 Mobile World Congress, expectations called for a Holiday Season 2010 release date. Not too long ago, that projected release date was pulled back to October and now we're seeing signs that it may be pulled back to the end of July 2010.

An AT&T retail signage outline has been discovered identifying two Windows Phone 7 plaques to be set on or about July 24th. We don't expect phones to be on the shelf come July 24th but it's a good indication we might see WP7 phones sooner than expected.

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It's not uncommon for retail stores to begin advertising new phones weeks, if not months, before the actual phones hit the shelves. So, the October launch may still ring true if not a September launch. Confidence is high that Microsoft will meet the Holiday Season 2010 deadline, it's now a question of how ahead of schedule Windows Phone 7 will be.

[read: Engadget.com]