Grille cleaning sponge

Details Grille cleaning sponge Grille cleaning sponge

2005-04-26

2008-09-02

Woodward, Ana L (Department: 1796)

Brushing, scrubbing, and general cleaning

Implements

Sponge or sponge with holder

C015S244100, CD32S040000

Reexamination Certificate

active

07418761

ABSTRACT:
A sponge for cleaning a vehicular grille has a multilayered polyester polyol-based polyurethane wherein the upper and lower layers are each a flexible polyester polyurethane foam and the central or medial layer is a reticulated polyurethane foam. The layers are bonded together. The sponge has a first serrated side edge and an opposed semicircular side edge enabling at least one edges to be inserted into the interstices of an automotive grille.

REFERENCES:
patent: 4866806 (1989-09-01), Bedford
patent: 5640737 (1997-06-01), Boggs
patent: 2004-073678 (2004-03-01), None
patent: 2004-275687 (2004-10-01), None

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