Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 25, 2023
0Patent Application Number
168459180
Date Filed
April 10, 2020
0Patent Citations
Patent Primary Examiner
A washing machine includes a tub containing water, a drum disposed rotatably in the tub, the drum receiving laundry and a detergent supply device supplying detergent to the tub, wherein the detergent supply device comprises a plurality of cartridges respectively containing detergent, a pump sucking detergent contained in the plurality of cartridges and a passage switching valve selectively allowing the pump to be fluidly communicated with one of the plurality of cartridges.
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