Yep, they've got 1789 technology in every category except that they no longer have firearms. This makes taming the West and waging war a little more difficult, but not drastically so.
Might make European styled knights necessary once more. Depends if Americans learn how to make longbows... Really, I think bears and wolves are going to be one of the big threats. And the possibility of Americans completely forgetting how to make guns. I imagine they are going to keep trading with Europe to an extent, and might try to buy European guns or sell their own there.
And I do wonder what they will think about all the Catholics. The Reformation if just a few decades away, but still... Well, I suppose the Americans might have found their new source for European immigrants.