OPT Timeline YSC1790194xxx

4.20 Case was received
4.27 收到确认短信及email
5.1 收到mail receipt
7.17 状态更新为Card was mailed to me

补充内容 (2017-7-19 12:51):
7.17 收到approval notice

补充内容 (2017-7-19 12:52):
opt有效期是7/12/2017 - 7/11/2018

补充内容 (2017-7-24 13:44):
7.23 收到EAD卡