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:
Jun. 17, 2025

Filed:

Nov. 02, 2022
Applicant:

Unicharm Corporation, Ehime, JP;

Inventors:

Ayano Okawa, Kanonji, JP;

Yasuhiro Sasano, Kanonji, JP;

Misato Nakatani, Kanonji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K 1/01 (2006.01);
U.S. Cl.
CPC ...
A01K 1/011 (2013.01);
Abstract

An animal litter box includes an upper container, a tray, a lower container, and a ventilation fan. The upper container includes a liquid passage portion having holes through which urine passes downward. An absorbent body is disposed on the tray to absorb the urine that passes through the liquid passage portion. The lower container supports the upper container from below and detachably accommodates the tray. The ventilation fan is disposed in the lower container and sends internal air in the lower container to an outside.


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