Convertible footwear
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 15, 1994
Grant Date -
N/A
app pub date -
Mar 19, 1990
filing date -
Mar 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Footwear which is adaptable for athletic events requiring different sole configurations for different playing surfaces, for example artificial turf and natural turf, by providing the soles of shoes with a prescribed pattern of protuberances which are suitable for one type of event, and altering the pattern to adapt the shoes for another and different type of event. In particular the sole of each shoe can have removable conical cleats for playing on natural turf, and removable stud or square cleats for playing on artificial turf.
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