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Ink reservoirs

  • US 6,969,165 B2
  • Filed: 02/24/2003
  • Issued: 11/29/2005
  • Est. Priority Date: 02/24/2003
  • Status: Expired due to Term
First Claim
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1. An ink reservoir comprising:

  • a body;

    a cover disposed on the body;

    a vent disposed in the cover, the vent comprising a vent hole passing through the cover and an elongated vent path that communicatively couples the vent hole to an atmosphere surrounding an exterior of the ink reservoir, wherein the elongated vent path remains open to the atmosphere surrounding the exterior of the ink reservoir; and

    an oleophobically treated, porous membrane disposed over the vent hole for acting to repel ink therefrom and for allowing airflow through the porous membrane and the vent.

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