Almost all states prohibit carrying any knife with a blade longer than 3 or so inches. And a switchblade is considered a dangerous weapon. Check the individual states for specifics, the link below gives a summary.
well it is not iligal for children it is iligal for kids :\
Yes
imigrant from Mexico
in 1920
Yes
YES
This is usually caused by a bad seat safety switch.
switch blades' blades are inside the knife until you press some button or switch, but pocket knives are just knives i think
no it is iligal in every state
Yes it is very illigal
It depends on local legislation. If you have one then watch out.
A switch has two states, on and off.