The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2019
Filed:
Jun. 28, 2018
Applicant:
Memjet Technology Limited, Dublin, IE;
Inventor:
Patrick McAuliffe, North Ryde, AU;
Assignee:
Memjet Technology Limited, , IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/19 (2006.01); B41J 2/18 (2006.01); B41J 2/195 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17563 (2013.01); B41J 2/175 (2013.01); B41J 2/17596 (2013.01); B41J 2/18 (2013.01); B41J 2/19 (2013.01); B41J 2/195 (2013.01);
Abstract
An ink filter for an ink delivery system. The ink filter includes: a filter chamber having a filter inlet port, a filter outlet port and a vent port, the vent port being positioned in a roof of the filter chamber; a filter material positioned between the filter inlet port and the filter outlet port; and a closed vent chamber connected to the vent port. The vent chamber has wall exposed to atmosphere formed of an air-permeable polymer.