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:
May. 06, 2025

Filed:

Jun. 12, 2023
Applicant:

Hayco Manufacturing Limited, Hong Kong, HK;

Inventors:

Sven Eschrich, Hong Kong, HK;

Kin Wong Yau, Hong Kong, HK;

Heung Kin Chan, Hong Kong, HK;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 13/22 (2005.12); A47L 11/40 (2005.12);
U.S. Cl.
CPC ...
A47L 13/22 (2012.12); A47L 11/4083 (2012.12); A47L 11/4088 (2012.12);
Abstract

A floor cleaning apparatus. The apparatus has a cleaning head portion for engaging a floor surface during cleaning, an upstanding portion for maneuvering movement of the cleaning head portion, a liquid delivery assembly, a handle portion extending from the upstanding portion and a sealed liquid storage container. The assembly includes a single needle defining a first passageway for allowing cleaning detergent from the sealed storage container to travel to the cleaning head portion therethrough and a second passageway for allowing as or air to travel from the surrounding to the sealed storage container for pressure equalization, and wherein the needle has a non-cylindrical configuration and a flattened configuration.


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