Patent classifications
A
HUMAN NECESSITIES
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A47
FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
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A47L
DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
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A47L23/04
Hand implements for shoe-cleaning, with or without applicators for shoe polish
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A47L23/04

MULTI-LAYER MELAMINE SPONGE
20250241503 · 2025-07-31 ·

According to an aspect of the present invention, there is provided melamine sponge, comprising: a first outer melamine layer; a middle scrubbing layer; and a second outer melamine layer separated from the first outer melamine layer by the middle scrubbing layer.

MULTI-LAYER MELAMINE SPONGE
20250241503 · 2025-07-31 ·

According to an aspect of the present invention, there is provided melamine sponge, comprising: a first outer melamine layer; a middle scrubbing layer; and a second outer melamine layer separated from the first outer melamine layer by the middle scrubbing layer.