Mich. Comp. Laws § 750.88: Assault with intent to rob and steal; unarmed.

Sec. 88.

Assault with intent to rob and steal being unarmed-Any person, not being armed with a dangerous weapon, who shall assault another with force and violence, and with intent to rob and steal, shall be guilty of a felony, punishable by imprisonment in the state prison not more than 15 years.