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.

Date of Patent:
Feb. 25, 2025

Filed:

Dec. 07, 2021
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Seungbin Ahn, Seongnam Si, KR;

Woongyong Choi, Seongnam Si, KR;

Shinhyup Kang, Seongnam Si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/08 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0867 (2013.01); G03G 15/0889 (2013.01); G03G 15/5016 (2013.01); G03G 21/1647 (2013.01);
Abstract

A toner refill cartridge includes a body member in which a toner is contained and which includes a toner discharge port through which the toner is discharged: a driving power input portion rotatable by a driving power from outside the toner refill cartridge; an agitating member to agitate the toner while being rotated by a rotation power from the driving power input portion; and a discharge completion display module including a moving display portion to move in response to the rotation power from the driving power input portion, and a fixed display portion whose position is fixed with respect to the body member, the discharge completion display module to indicate whether the toner contained in the body member has been completely discharged, based on a position relationship of the moving display portion with respect to the fixed display portion.


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