IP Library › Granted Patent US 9,597,921
Granted Patent B2
US 9,597,921 · App. 13/946,100 · Granted Mar 21, 2017

Apparatus for selectably providing multiple colors of ink from a marker pen

Inventor: Benjamin Branch (Kalamazoo, MI)
B43K27/00B43K8/003B43K8/024B43K8/028B43K8/03B43K8/24B43K24/12B43K27/02B43K27/08B43K29/004B43K29/08B43K29/10
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Quick Facts
Patent No.
US 9,597,921
App. No.
13/946,100
Granted
Mar 21, 2017
Kind
B2
Abstract

A writing device can be configured to provide ink or a colored dye upon a piece of paper or other medium. Such a writing device can include a plurality of selectable writing elements, wherein one of the writing elements comprises marker device comprising an ink reservoir connected to a writing tip.

Claims (4)

1. A writing device comprising a plurality of selectable writing elements, the device comprising:

three separately extendable writing elements, wherein at least two of the writing elements each comprise a marker device;

a housing with a rounded triangular cross section and with three holes upon a terminal end of the housing, each hole providing an outlet hole for one of the writing elements.

2. The writing device of claim 1 , wherein each of the holes comprises a spring activated trap door cap.

Continuity (3)
Provisional Application 61674648 · Jul 23, 2012
Provisional Application 61719979 · Oct 30, 2012
Related Publication 20140023423A1 · Jan 23, 2014