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Mechanical pencil with refill indicator Disclosure Number: IPCOM000004405D
Publication Date: 2000-Nov-08

Publishing Venue

The Prior Art Database


The present invention is a mechanical pencil including a cartridge tube having one end open, lead color A within the tube, and lead color B seamlessly attached to lead color A, a lead grip mounted in cartridge tube holding the pencil lead in place, and a spring loader that pushes the lead down the cartridge tube during use. Lead color A and lead color B are of two distinct colors.