New Jersey

New Jersey – Code of Criminal Justice

– 2C:39-3 Prohibited Weapons and Devices…

e. Certain weapons. Any person who knowingly has in his
   possession any gravity knife, switchblade knife, dagger,
   dirk, stiletto, billy, blackjack, metal knuckle, sandclub,
   slingshot, cestus or similar leather band studded with
   metal filings or razor blades imbedded in wood, ballistic
   knife, without any explainable lawful purpose, is guilty
   of a crime of the fourth degree.

– 2C:39-1 h. “Gravity knife” means any knife which has a
   blade which is released from the handle or sheath thereof
   by the force of gravity or the application of centrifugal
   force… p. “Switchblade knife” means any knife or similar
   device which has blade which opens automatically by hand
   pressure applied to a button, spring or other device in
   the handle of the knife… u. “Ballistic knife” means any
   weapon or other device capable of lethal use and which can
   propel a knife blade.

– 2C:39-4.  Possession of weapons for unlawful purposes…
   d. Other weapons. Any person who has in his possession any 
   weapon, except a firearm, with a purpose to use it
   unlawfully against the person or property of another is
   guilty of a crime of the third degree.

– 2C:39-5.  Unlawful Possession of Weapons… d. Other weapons.
   Any person who knowingly has in his possession any other
   weapon under circumstances not manifestly appropriate for
   such lawful uses as it may have is guilty of a crime of
   the fourth degree.
– – e. Firearms or other weapons in educational institutions…
   (2)Any person who knowingly possesses any weapon enumerated
   in paragraphs (3) and (4) of subsection r. of N.J.S.2C:39-1
   or any components which can readily be assembled into a
   firearm or other weapon enumerated in subsection r. of
   N.J.S.2C:39-1 or any other weapon under circumstances not
   manifestly appropriate for such lawful use as it may have,
   while in or upon any part of the buildings or grounds of any
   school, college, university or other educational institution
   without the written authorization of the governing officer
   of the institution is guilty of a crime of the fourth degree.

– 2C:39-6. f. Nothing in subsections b., c. and d. of N.J.S.2C:39-5
   shall be construed to prevent… (2) A person carrying a firearm
   or knife in the woods or fields or upon the waters of this State
   for the purpose of hunting, target practice or fishing, provided
   that the firearm or knife is legal and appropriate for hunting
   or fishing purposes in this State and he has in his possession
   a valid hunting license, or, with respect to fresh water fishing,
   a valid fishing license;

(3) A person transporting any firearm or knife while traveling:
    (a) Directly to or from any place for the purpose of hunting or
    fishing, provided the person has in his possession a valid
    hunting or fishing license; or

– 2C:39-9. d. Weapons. Any person who manufactures, causes to
   be manufactured, transports, ships, sells or disposes of
   any weapon including gravity knives, switchblade knives,
   daggers, dirks, stilettos… is guilty of a crime of the
   fourth degree.

– 2C:39-9.1… Any person who sells any hunting, fishing,
   combat or survival knife having a blade length of five
   inches or more or an overall length of 10 inches or more
   to a person under 18 years of age commits a crime of the
   fourth degree…

  New Jersey Case Law:
– “Concealment was not a necessary element of the offense of
   carrying a dangerous knife.” (1973)
– “Concealment of weapon at time of incident constituted
   important factor of offense of possession of dangerous
   knife.” (1971)