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United States of America Patent
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-
Nov 1, 1994
Issued Date -
N/A
app pub date -
Dec 22, 1992
filing date -
Oct 25, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A can end (1) having an openable portion (14) defined by a score line (13), has a ring pull defining an aperture in which is retained a token (16) which may be removed as proof of purchase to qualify the purchaser for a prize or other premium offer. The token (16) is preferably made from a plastics material which is retained by clinching of peripheral material of the ring pull, and may be marked with indicia.
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