Brushing – scrubbing – and general cleaning – Machines – Wiping
Reexamination Certificate
2007-06-19
2007-06-19
Graham, Gary K. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
Wiping
C015S250110, C015S250240, C015S250290, C015S250010
Reexamination Certificate
active
10653498
ABSTRACT:
The present invention discloses an apparatus for cleaning a window of a structure. The window cleaning apparatus includes a guide track mounted on one side of a window frame and a second guide track mounted on a side of the window frame opposite the first guide track wherein a cleaning assembly is retained and guided between and along a length of the first and second guide tracks. The apparatus further includes a means for selectively moving the cleaning assembly along the length of the guide track and over a surface of a window within the window frame thereby cleaning the surface of the window.
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Graham Gary K.
Kroll Michael I
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