A single application may include several classes.

Yes

Yes

The International Classification of Goods and Services is followed with local sub-classification. A single application may include several classes and sub-classes. Class 33 is cancelled. 

1. A Power of Attorney, duly legalized up to Iranian Consulate. 
2. Certified copy of the Priority Documents, (if claimed)

30 days  

10 years from the filing date

6 months grace period 

Power of attorney, legalized

None due

N/A

A mark becomes vulnerable to an action for cancellation if it not been used in the preceding 3 years