In Maryland, if it is over four inches, the only rule that I know of is that it cannot be concealed.several years back there was a homeless guy in lawrence who always carried a longsword with him. honestly i don't know the exact difference between a broadsword & a longsword, but it was a big-*** sword anyway. a girl i knew knew him & said he just carried it to see if he could. i still see him around town now & then but i haven't seen the sword in a while.
jf
A long sword is a relative term.
It was a sword longer than a short sword, which generally had a blade no longer than from fingertip to elbow. This is likewise relative, as my fingertip to elbow measurement is about twenty inches, whereas Tom Cruise's is probably about fifteen.
I own several long swords, one of which has a blade of over three feet in lenth, another of which has a blade of about two and a half feet. A my shinken is in between.
Broadsword had to do with the width of the blade, though they were generaly also longswords.
Terminology would also have been dependent upon the era in which the sword was produced; a sword that would have been a 'broad sword' in the ninteenth century would probably not have rated as such in the fourteenth. Then again, that may have depended upon your geographical region as well.
Daniel