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:
Nov. 12, 2019
Filed:
Dec. 11, 2015
Hewlett-packard Development Company, L.p., Houston, TX (US);
Dennis R Esterberg, Corvallis, OR (US);
Matthew J Janssen, Corvallis, OR (US);
Jeffrey A Nielsen, Corvallis, OR (US);
Norman L Berger, San Diego, CA (US);
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US);
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.