Bottom seal for container

Details Bottom seal for container Bottom seal for container

2007-10-16

2007-10-16

Elkins, Gary E (Department: 3782)

Envelopes, wrappers, and paperboard boxes

Paper or paperboard cup

C229S004500, C229S005500, C229S198200

Reexamination Certificate

active

10993223

ABSTRACT:
The present invention generally provides a bottom seal for a container. The container has a side wall having an upper end and a lower end. A bottom wall closes the lower end of the side wall. The bottom wall has a base and a skirt projecting from an outer periphery of the base. A bottom seal made of a portion of the lower end of the side wall being folded generally radially inward and back on itself forms a first seal region and an adjacent second seal region. The first seal region includes the skirt and the lower end of the side wall. The second seal region does not include the skirt. One or more concentric ring seals, knurling patterns, or both are formed in at least one of the first and second seal regions of the bottom seal.

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Exhibit A: Insulair Triple Wall Cup known at least as early as Sep. 1, 2004; 2 pages.

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