Ink cartridge
Patent 6053606 Issued on April 25, 2000. Estimated Expiration Date: 
October 7, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 7, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1328758 Method and apparatus for replenishing an ink cartridge Ink tank cartridge that prevents leakage of residual ink and ink jet recording apparatus using same Ink cartridge for ink jet recording apparatus Connecting device between ink supply source and ink jet head Patent #: 5828395 InventorsAssigneeApplicationNo. 946461 filed on 10/07/1997US Classes:347/86CartridgeExaminersPrimary: Le, N.Assistant: Nghiem, Michael Attorney, Agent or FirmForeign Patent References
International ClassB41J 002/175Foreign Application Priority Data1996-10-07 JPAbstractAn ink cartridge including a flexible, rectangular ink bag located within a case main body which has a cover, wherein the ink bag is attached on one side to an ink depletion detecting plate which has a detecting piece and a plurality of projecting pieces. The projecting pieces extend from the outer edge of the ink bag and are capable of coming in contact with a side wall of the case main body when the cartridge is dropped or shaken and keep the deformation of the ink bag to a minimum thereby protecting the ink bag from damage during transportation. | |
