WA knife laws

Here is what I have found on Washington knife law. I can't find anything about blade length.

Washington Crimes and Punishments Section 9.41.250.

Dangerous weapons... Every person who shall manufacture, sell or
dispose of or have in his possession any instrument or
weapon of the kind usually known as... 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; who shall
furtively carry with intent to conceal any dagger, dirk...
shall be guilty of a gross misdemeanor.
 
If you ever happen to be in Seattle, here are the restrictions on knives in the Seattle Municipal Code.

As I was just reading this, I noticed the line that says it is illegal “to carry concealed on his or her person any deadly weapon other than a firearm.” However, there doesn’t seem to be any definition of a “deadly weapon.” Any knife that isn’t a “dangerous” knife probably isn’t deadly... right? I’ve always thought it was legal to carry knives under 3.5 inches in Seattle. Anyone have any input on this?

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SMC 12A.14.010 Definitions.

A. "Dangerous knife" means any fixed-blade knife and any other
knife having a blade more than three and one-half inches (31/2")
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.

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.



SMC 12A.14.080 Unlawful use of weapons.

It is unlawful for a person knowingly to:

A. Sell, manufacture, purchase, possess or carry any blackjack,
sand-club, metal knuckles, switchblade knife, chako sticks, or
throwing stars; or

B. Carry concealed or unconcealed on his or her person any
dangerous knife, or carry concealed on his or her person any
deadly weapon other than a firearm; or

D. Sell or give away to any person under eighteen (18) years of
age any dangerous knife or deadly weapon other than a firearm, or
for any person under eighteen (18) years of age to purchase any
dangerous knife or deadly weapon other than a firearm, or for any
person under eighteen (18) years of age to possess any dangerous
knife or deadly weapon other than a firearm except when under the
direct supervision of an adult.
 
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