"Imagine if someone patented the checkbox/toggle button." Do you think it's not? My assumption is that that specific thing is patented, and is either expired o

"Imagine if someone patented the checkbox/toggle button." Do you think it's not? My assumption is that that specific thing is patented, and is either expired or the owners don't enforce it or don't know they own it, or, that there is a broader patent whose owner may eventually decide to enforce in the context of a checkbox or similar thing.