The U.S. Supreme Court allowed Illinois’ ban on “assault weapons” to take effect temporarily on Wednesday.The ruling allows the Illinois law to remain in effect while lower courts deliberate on its constitutional status. Wednesday’s ruling comes after a gun shop owner in Illinois requested an injunction against the ban.The Illinois law bans the sale and new possession of semi-automatic “assault weapons.” Those who already legally own such weapons would not have to turn them in. The law also bans the sale of large capacity magazines.The court did not offer an explanation for its Wednesday decision, and there were no noted dissents.WHY GUN OWNERSHIP IS SPIKING AMONG THIS DEMOGRAPHIC The Supreme Court ruled against an Illinois gun shop owner. (AP Photo/J. Scott Applewhite, File)The U.S. …