what is my NIW priority date?

140 received date: 02/28/05
140 notive date:03/01/05
140 approved date: 03/22/05
which one is my priority date?

所有跟帖： 

• your NIW priority date is 02/28/05 -WTO9- ♀ (0 bytes) () 06/13/2006 postreply 19:49:59

• thank you, we got lucky then -coolbabe- ♂ (0 bytes) () 06/13/2006 postreply 19:52:17

• RD of your I140. You are lucky. -gc-seeker- ♂ (0 bytes) () 06/13/2006 postreply 19:51:01

• thank you, ding! ding! ding! -coolbabe- ♂ (0 bytes) () 06/13/2006 postreply 19:53:28