US Patent 6971530 Plastic container having stepped neck finish
Patent 6971530 was granted and assigned to Plastipak on December, 2005 by the United States Patent and Trademark Office.
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Patent abstract
The improved plastic container and preform is light weight and includes a base, a cylindrical sidewall projecting upwardly from the base, and a neck finish projecting upwardly from the sidewall and having an opening to the inside of the container. The neck finish includes an inwardly oriented stepped area adjacent the opening.
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Patent Number
Patent Inventor Names
Richard C. Darr0
Date of Patent
December 6, 2005
0Patent Application Number
107343500
Date Filed
December 12, 2003
0Patent Primary Examiner
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US Patent 6971530 Plastic container having stepped neck finish
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