Windscreen wiper device with life span indicator

Details Windscreen wiper device with life span indicator Windscreen wiper device with life span indicator

2007-03-27

2007-03-27

Graham, Gary K. (Department: 1744)

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

C015S250480, C015S250361, C422S051000, C422S051000, C324S694000, C116S200000, C116S206000, C116S208000

Reexamination Certificate

active

10130908

ABSTRACT:
A windscreen wiper device comprising an oscillating arm and a frame connected thereto for receiving a wiper blade, which device includes a life span indicator, characterized in that said indicator is sensitive to water. The indicator can change its color in dependence on the length of time during which the indicator has-been exposed to water.

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