Bowling pin base
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United States of America Patent
Stats
-
Mar 30, 1982
Grant Date -
N/A
app pub date -
Jun 18, 1980
filing date -
Jun 18, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An exterior lock groove is formed in the bowling pin base insert and the insert is locked in place by flow of the exterior plastic coat on the pin into the groove.
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