Nova Patents
EP1594704A4

Ink cartridge

Abstract

An ink cartridge includes a case having a bottom wall and side walls forming an ink chamber, with a top surface of the case being open, an air introduction opening formed in the bottom wall of the case that introduces air into the ink chamber, and a hollow member that is in direct communication with the air introduction opening, wherein the hollow member is formed integrally with and extends from the bottom wall of the case towards the top surface in a first direction, and an upper end of the hollow member is open.

Term

Term ended

Projected expiry passed 9 February 2025, 1.6 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

Every citation, both waysCites: the store holds 2 of 3

Citations
DocumentRelationOfficeCategoryCited duringRelevant claims
EP1170135A1CitesEuropean Patent Office (EPO)YSearch report2,7-12
EP1331096A2CitesEuropean Patent Office (EPO)XAYSearch report1,3-6