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Patent No. 5405039A: Can For Beverage

Today in 1995, US Patent 5405039 A was issued, an invention of Masahiro Komura, for his “Can For Beverage.” Here’s the Abstract:

A can for containing a beverage has a cylindrical body, a top lid for forming an opening through which the beverage can be drunk from the can, a small tab having a finger-receiving hole staked to a central portion of the top lid with a staking member, and a line of weakness defining the opening. This line is in the form of a segment of a circle centered about the staking member. This segment is between an approximately semicircular segment and a 90 degree segment.

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