hugoooo, it could be because they are equipped in one of the styles you are not using (fencing, two handed...), and that's why the game says that they are still "equipped"
Amazing game. I can only thank Kongregate for not having every other game be like this, or I would spend WAY too much time in here.
Also, I kind of expected a restaurant at the end of the universe
Yes, you get them for free on a regular reward schedule. Come back 24h from now and you'll see.