Sweeper bristle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 6, 1984
Grant Date -
N/A
app pub date -
Apr 7, 1983
filing date -
Apr 7, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bristle for railway roadbed brooms with a trailing edge that has a plurality of spaced apart grooves that are oriented transversely of the bristle in the trailing edge portion.
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