Ink container
Patent 5611461 Issued on March 18, 1997. Estimated Expiration Date: 
April 4, 2016. 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.
April 4, 2016. 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 584555 1860244 2361876 2821337 2861718 3559847 3595441 Dry pharmaceutical system Ink reservoir with essentially constant negative back pressure Ink jet recorder having ink container vent blocking means InventorsAssigneeApplicationNo. 627334 filed on 04/04/1996US Classes:222/105, With casing or support222/107, Nonmetallic347/86CartridgeExaminersPrimary: Kashnikow, AndresAssistant: Bomberg, Kenneth Attorney, Agent or FirmForeign Patent References
International ClassG01D 015/16Foreign Application Priority Data1992-03-13 JPAbstractAn ink container comprising a flexible bag is of a polygonal cross-section when it is filled with a sufficient quantity of ink. | |
