Patent ID: 6623135
Filing Date: 2003-09-23
Classification: B43K,Y10S

Abstract:
An illuminating writing instrument comprising:(a) a housing having a lower end and an upper end; (b) a writing core located within the housing, wherein the writing core has a first end which extends beyond the lower housing end and a second end; (c) a head having a first head end which operatively interfaces the writing core second end, and a second head end; (d) a force applying member which is operatively associated with the head; and (e) an electrical circuit which comprises in electrical connection: (i) a power source, (ii) a first switch electrically operatively associated with the power source, (iii) a second switch which is operatively associated with the second head end, wherein the second switch generates a signal responsive to force being applied to the writing core first end, and (iv) a dual color light emitting diode operatively associated with the first and second switches wherein the diode receives signals from the first and second switches and provides a distinct color corresponding to each signal.