Section 4501 - Assault by prisoner upon the person of another with a deadly weapon or instrument or assault upon the person of another by any means of force likely to produce great bodily injury; felony(a) Except as provided in Section 4500, every person confined in the state prison of this state who commits an assault upon the person of another with a deadly weapon or instrument shall be guilty of a felony and shall be imprisoned in the state prison for two, four, or six years to be served consecutively.(b) Except as provided in Section 4500, every person confined in the state prison of this state who commits an assault upon the person of another by any means of force likely to produce great bodily injury shall be guilty of a felony and shall be imprisoned in the state prison for two, four, or six years to be served consecutively.Amended by Stats 2015 ch 303 (AB 731),s 401, eff. 1/1/2016.Amended by Stats 2014 ch 51 (SB 905),s 1, eff. 1/1/2015.Amended by Stats 2004 ch 405 (SB 1796), s 17, eff. 1/1/2005.