Coating implements with material supply – Supply container and independent applicator – Applicator includes container closure or overlies material
Reexamination Certificate
2006-12-05
2006-12-05
Walczak, David J. (Department: 3751)
Coating implements with material supply
Supply container and independent applicator
Applicator includes container closure or overlies material
C401S130000, C401S121000, C015S244100
Reexamination Certificate
active
07144172
ABSTRACT:
A cleaning device, comprising a housing having a substantially vertical axis; a sponge-like working element movable between a working position in which it is located outside the housing for cleaning a surface, and a position in it is forcedly moved into the housing so as to be squeezed and therefore to expel liquid; and a removable plate which in an installed position extends substantially radially above the sponge-like working element so that a user can apply an action to the plate from above and therefore to apply an action on the sponge-like working element from above toward a surface to be cleaned substantially over a whole radial extension of the sponge-like element, while when the plate is removed the sponge-like working element is exposed from above and can be used with its lower, peripheral, and upper sides and with its lateral edge to extend into areas to be cleaned which are difficult to access.
REFERENCES:
patent: 1365103 (1921-01-01), Hoffmann
patent: 2774093 (1956-12-01), King
patent: 2983944 (1961-05-01), Uselis
patent: 6976282 (2005-12-01), Sie
Zhadanov Eli
Zhadanov Sam
Walczak David J.
Zborovsky I.
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