Importance

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Abstract

A writing instrument, able to be filled with fluid from an external fluid source, and to be supplied with fluid from an internal fluid supply for enabling writing therewith. The writing instrument includes a body portion, which includes a point portion, including a tip portion, through which fluid is able to flow to enable filling of the writing instrument from the external fluid source and writing with fluid from the internal fluid supply, and a fluid filling element, able to be actuated to enable filling thereof from the external fluid source. The writing instrument also includes a housing, connectable to and disconnectable from the tip portion, for enclosing the fluid filling element upon connection to the tip portion, and for enabling access to the fluid filling element for operation upon disconnection from the tip portion. The tip portion further includes a rollerball, for enabling writing therewith.

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First Claim