Its up to the custodial parent. if you guys are married i would go to the court house and do a parenting plan other wise the father has leagal right to just come take the child. If the child does not "know" his father you should start out with supervised visitaion tell the child becomes comfortable with him.
Assuming there are no extenuating circumstances, it is customary for a child to visit the parent without primary physical placement AT LEAST every other weekend. Often an additional visit during the work weekis granted. Normally, holidays are divided equally.
Ohio if the mother has lived there for at least six months. see links below
This is going to depend on the age of the child, the distance between the homes, the home environments, and the availability of transportation between the parents just to name a few things
The child may visit at any age if a court order for visitation is in place. If no such order exists or visitation has been terminated for any reason, the child can visit their parent when they reach the age of majority in their state, 18 in Colorado.
yes, unless court order says otherwise.
absolutely
yes
YES, if the summer visitation is written in the divorce decree.
If the father has legal visitation rights-no. You can file a petition with the court to change visitation to show cause. You petition him to go to court where you tell the judge why you do not want, what you do not want and the judge will decide.
Do you have a court order saying you have visitation? Are you the biological father? If so then YES. Go back to court and file for custody.
In the state of the child's residency. see links
The interstate visitation rights act gives great information in the area of this question. http://www.law.upenn.edu/bll/archives/ulc/icv/chldvsit.htm