Does this mean My 140 filed on Apr 2007 OK?

QUESTION 1 : 我在APRIL 2007 重新 file 的 EB3 140 (PERM PRIORITY DATE APRIL 2006)， PERM 還有效嗎， 有沒有EXPIRE?
- Expires 180 calendar days after July 16, 2007

Thanks a million for your detailed and professional answer.

Does this mean My 140 filed on Apr 2007 OK?