Patent ID: 6866439
Filing Date: 2005-03-15
Classification: B43K

Abstract:
1. A handheld marking instrument, comprising: a substantially rectangular-shaped body comprising four edges and a substantially flat top wall and bottom wall; a first chamber formed within the substantially rectangular-shaped body and having an inner surface wherein the inner surface is defined by the top wall and the bottom wall and is configured to receive and contain a marking substance within the four edges of the substantially rectangular-shaped body; a first marking device configured to deliver the marking substance to a desired surface during marking, wherein the first marking device is incorporated in the substantially rectangular-shaped body and in communication with the first chamber to access the marking substance contained by the inner surface, and wherein the first marking device is located in a corner area defined by a first edge and a second edge of the substantially rectangular-shaped body; and at least one vent in fluid communication with the first chamber, wherein the vent provides at least for equalization of pressure between the first chamber and ambient air at a third edge of the substantially rectangular-shaped body wherein the vent is open or semi-permeable.