Patent 6929139 was granted and assigned to Plastipak on August, 2005 by the United States Patent and Trademark Office.
A blow molded plastic container having a circular base, a cylindrical sidewall extending upwardly from the base and a neck finish projecting upwardly from the sidewall. The sidewall includes a plurality of spaced apart, continuous, circumferential grooves extending around the sidewall. The grooves are separated by raised areas.