11 Del. C. ยง 222. (5)
"Deadly weapon" includes a "firearm", as defined in paragraph (12) of this section, a bomb, a knife of any sort (other than an ordinary pocketknife carried in a closed position), switchblade knife, billy, blackjack, bludgeon, metal knuckles, slingshot, razor, bicycle chain or ice pick or any "dangerous instrument", as defined in paragraph (4) of this section, which is used, or attempted to be used, to cause death or serious physical injury.
For the purpose of this definition, an ordinary pocketknife shall be a folding knife having a blade not more than 3 inches in length.]http://delcode.delaware.gov/title11/c002/index.shtmlSorry for not formatting this better, but -- I'm on my iPad.