Washington law states;
Revised Code of Washington (RCW)
Last Update: January 7, 2006
Washington Crimes and Punishments
RCW 9.41.250
Dangerous weapons — Penalty.
Every person who:
(1) Manufactures, sells, or disposes of or possesses any instrument or weapon of the kind usually known as slung shot, sand club, or metal knuckles, or spring blade knife, or any knife the blade of which is automatically released by a spring mechanism or other mechanical device, or any knife having a blade which opens, or falls, or is ejected into position by the force of gravity, or by an outward, downward, or centrifugal thrust or movement;
(2) Furtively carries with intent to conceal any dagger, dirk, pistol, or other dangerous weapon; or
(3) Uses any contrivance or device for suppressing the noise of any firearm,
is guilty of a gross misdemeanor punishable under chapter 9A.20 RCW.
[1994 sp.s. c 7 § 424; 1959 c 143 § 1; 1957 c 93 § 1; 1909 c 249 § 265; 1886 p 81 § 1; Code 1881 § 929; RRS § 2517.] Effective date -- 1994
*
RCW 9.41.260
Dangerous exhibitions.
Every proprietor, lessee, or occupant of any place of amusement, or any plat of ground or building, who allows it to be used for the exhibition of skill in throwing any sharp instrument or in shooting any bow gun or firearm of any description, at or toward any human being, is guilty of a misdemeanor punishable under chapter 9A.20 RCW.
[1994 sp.s. c 7 § 425; 1909 c 249 § 283; RRS § 2535.]
RCW 9.41.270
Weapons apparently capable of producing bodily harm — Unlawful carrying or handling — Penalty — Exceptions.
(1) It shall be unlawful for any person to carry, exhibit, display, or draw any firearm, dagger, sword, knife or other cutting or stabbing instrument, club, or any other weapon apparently capable of producing bodily harm, in a manner, under circumstances, and at a time and place that either manifests an intent to intimidate another or that warrants alarm for the safety of other persons.
(2) Any person violating the provisions of subsection (1) above shall be guilty of a gross misdemeanor. If any person is convicted of a violation of subsection (1) of this section, the person shall lose his or her concealed pistol license, if any. The court shall send notice of the revocation to the department of licensing, and the city, town, or county which issued the license.
(3) Subsection (1) of this section shall not apply to or affect the following:
(a) Any act committed by a person while in his or her place of abode or fixed place of business;
(b) Any person who by virtue of his or her office or public employment is vested by law with a duty to preserve public safety, maintain public order, or to make arrests for offenses, while in the performance of such duty;
(c) Any person acting for the purpose of protecting himself or herself against the use of presently threatened unlawful force by another, or for the purpose of protecting another against the use of such unlawful force by a third person;
(d) Any person making or assisting in making a lawful arrest for the commission of a felony; or
(e) Any person engaged in military activities sponsored by the federal or state governments.
The following definitions apply in this chapter:
A. "Dangerous knife" means any fixed-blade knife and any other knife
having a blade more than three and one-half inches (3 1/2") in length.
B. "Fixed-blade knife" means any knife, regardless of blade length,
with a blade which is permanently open and does not fold, retract or
slide into the handle of the knife, and includes any dagger, sword,
bayonet, bolo knife, hatchet, axe, straight-edged razor, or razor
blade not in a package, dispenser or shaving appliance.
C. "Firearm" means a weapon or device from which a projectile may be
fired by an explosive such as gunpowder.
D. "Personal protection spray device" means a commercially available
dispensing device designed and intended for use in self-defense and
containing a nonlethal sternutator or lacrimator agent, including but
not limited to:
1. Tear gas, the active ingredient of which is either
chloracetophenone (CN) or O-chlorobenzylidene malonotrile (CS); or
2. Other agent commonly known as mace, pepper mace, or pepper gas.
E. "Switchblade knife" means any knife having a blade that opens
automatically by hand pressure applied to a button, spring mechanism,
or other device, or a blade that opens, falls or is ejected into
position by force of gravity or by an outward, downward, or
centrifugal thrust or movement.
(Ord. 117157 Section 2, 1994: Ord. 116872 Section 11,
1993: Ord. 113547 Section 1, 1987: Ord. 112103 Section 1, 1985: Ord.
110785 Section 1, 1982: Ord. 110462 Section 1, 1982: Ord. 103472
Section 1, 1974: Ord. 102843 Section 12A.17.010, 1973.)
Hope this helps. I live in Yelm, WA
P