Brush with universal joints
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 7, 1987
Grant Date -
N/A
app pub date -
May 28, 1985
filing date -
May 28, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brush divided into three sections and four independent pieces, is joined by many alternative joints. At each joint the brush can be bent upward or downward or turned to any direction to achieve some special functions of brushing or cleaning in a limited working space for which the conventional brush can not attain.
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Family
International Classification(s)
Cited Art Landscape
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