Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jeffrey A Nielsen0
Matthew J Janssen0
Norman L Berger0
Dennis R Esterberg0
Date of Patent
November 12, 2019
Patent Application Number
15765256
Date Filed
December 11, 2015
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
One example of a printhead assembly includes a housing including sidewalls, nozzles to eject ink drops, a collapsible container, and a sensor assembly. The collapsible container is within the housing to supply ink to the nozzles. The collapsible container includes flexible sidewalls and a spring assembly between the flexible sidewalls. The sensor assembly is coupled to the housing and includes a sensor to provide a sensor signal indicating the amount of ink within the collapsible container.
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