Cleaning device and method

Brushing – scrubbing – and general cleaning – Implements – Sponge or sponge with holder

Reexamination Certificate

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Details

C015S210100

Reexamination Certificate

active

07454813

ABSTRACT:
A cleaning device includes a soft sponge layer, having at least one rib or bead on its surface; an intermediate layer, which is harder than the sponge layer, a cloth layer, that is bonded to the intermediate layer, opposite to the sponge layer. The layers may be bonded to one another. Bonding the soft sponge layer to a harder intermediate layer already considerable improves upon the handling achieved by the sponge with the rib. Even when the sponge is completely soaked with the cleaning agent it remains stable in shape due to its firm bonding to the harder intermediate layer. The user may grasp the hard intermediate layer of the device so that the sponge will not be compressed.

REFERENCES:
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patent: 3857133 (1974-12-01), Linenfelser
patent: 4111666 (1978-09-01), Kalbow
patent: 5312197 (1994-05-01), Abramson
patent: 5640737 (1997-06-01), Boggs
patent: 6485822 (2002-11-01), Osiecki et al.
patent: 6687941 (2004-02-01), Billat
patent: 7284293 (2007-10-01), Holder et al.
patent: 2003/0094186 (2003-05-01), Klein
patent: 8714649.5 (1987-11-01), None
patent: 4330357 (1993-09-01), None
patent: 20100071 (2001-01-01), None
patent: 20209565 (2002-06-01), None
patent: 10327584 (2003-06-01), None

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