Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Reexamination Certificate
2006-09-26
2006-09-26
Graham, Gary K. (Department: 1744)
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
C015S250400, C015S250410
Reexamination Certificate
active
07111355
ABSTRACT:
The present invention is directed to a windshield wiper assembly with an expandable scrubbing element capable of washing debris from a windshield. In one embodiment, the subject invention is comprised of a windshield wiper blade holder having a first and second blade retainer, and a scrubbing element and wiper blade respectively engaged to the blade retainers. In one embodiment, the scrubbing element is comprised of a spine portion and an expandable bladder depending therefrom. At least a portion of the external surface of the bladder may include a fibrous or lightly abrasive material, or a scrubbing pad or brush-like surface, or a plurality of grooves and/or sipings The interior volume of the bladder is surrounded by a resilient fluid tight material, which serves to retain fluid in a pressurized state.
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Fulbright & Jaworski L.L.P.
Graham Gary K.
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