Patent ID: 8276774

Claim:
A plastic container comprising: an upper portion having a mouth defining an opening into said container, a neck extending from said upper portion, a body portion extending from said neck to a base, said base closing off an end of said container; said upper portion, said neck, said body portion and said base cooperating to define a receptacle chamber within said container into which product can be filled; said base including a chime extending from said body portion to a contact ring which defines a surface upon which said container is supported, said base further including a central portion defined in at least part by a pushup having a generally truncated cone shape in cross section located on a longitudinal axis of said container, and an inversion ring having a generally S shaped geometry in cross section and hinge means formed therein, and circumscribing said pushup, wherein said inversion ring has an upper portion and a lower portion, wherein said upper portion includes in part a curve in cross section having a first radius and said lower portion includes in part a second curve in cross section having a second radius; said first radius has a value that is at most 35% of a value of said second radius; said truncated cone having an overall general diameter that is at most 30% of an overall general diameter of said base and a top surface generally parallel to a support surface; wherein said hinge means includes a plurality of indents formed in said inversion ring that are arranged in a plurality of lines that radiate from the longitudinal axis.