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. 22, 2023
Filed:
Nov. 09, 2018
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Jeffrey Harold Luke, Boise, ID (US);
Gabriel Scott McDaniel, Boise, ID (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/18 (2006.01); G03G 21/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0881 (2013.01); G03G 15/0884 (2013.01); G03G 15/0886 (2013.01); G03G 15/0896 (2013.01); G03G 15/0898 (2013.01); G03G 21/181 (2013.01); G03G 21/1814 (2013.01); G03G 21/1821 (2013.01); G03G 21/1828 (2013.01); G03G 21/206 (2013.01); G03G 2215/0877 (2013.01);
Abstract
A print material cartridge may include a hopper to maintain an amount of print material therein; and an atmospheric pressure seal to seal the hopper from atmosphere; wherein a pressure within the hopper and sealed by the atmospheric pressure seal is lower than atmosphere.