Foothold
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 19, 1998
Grant Date -
N/A
app pub date -
Jun 25, 1996
filing date -
Jul 14, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A foothold of a manhole, a quay, and the like which is light and easily handled, and which is excellent in corrosion resistance and strength, and which is easily manufactured and inexpensive and can be recycled. The foothold having a U-shape and comprising a tread at front thereof and legs at both sides thereof, wherein said tread and said legs are integrally formed by engineering plastics.
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Cited Art Landscape
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