No it is not.
Yes it is elegal to carry switch blade butterfly and automatic knives any where in the usa . you could do it any way though but you should get a different knife.
They were when I was growing up there. I suspect that they still are.
Also called a "switch blade". They are generally illegal.
A pocket knife i think it was a switch blade
Why would they? A policemen would need a heavier duty blade-a switch blade simply would not suffice.
Blade of a Knife was created on 1996-08-15.
The words for knife and blade are tranĉilo and klingo in Esperanto.
If you mean a regular straight blade knife and not a pocket knife, the case is called a sheath.
You can get those at amusement parks or dollar stores, due to their cheap materials.
A ballistic knife is a weapon which fires a knife blade.
The blade of a gravity knife is contained within the handle of the knife. It requires a spinning motion or gravity for the blade to come out of the handle.