Allan Daw Chen

US Patent:

D583238, Dec 23, 2008

Filed:

May 13, 2008

Appl. No.:

29/307796

Inventors:

Allan K. Chen - New York NY, US

Assignee:

Pactiv Corporation - Lake Forest IL

International Classification:

0907

US Classification:

D 9453, D9454

US Patent:

8322555, Dec 4, 2012

Filed:

Oct 14, 2008

Appl. No.:

12/251144

Inventors:

Allan K. Chen - New York City NY, US

Assignee:

PWP Industries, Inc. - Lake Forest IL

International Classification:

B65D 41/32
B65D 41/18
B65D 90/02
B65D 21/00

US Classification:

220266, 220270, 220669, 220675, 220780, 215254, 206515

Abstract:

A lid includes a generally flat interior portion and an outer ridge area surrounding the interior portion. The outer ridge area includes a first ridge side, a ridge top, and a second ridge side. The first ridge side extends generally upward from the interior portion. The ridge top extends from the first ridge side and is generally parallel to the interior portion. The second ridge side extends generally downward from the ridge top. The second ridge side includes a top section and a bottom section. A thickness of the bottom section is smaller than a thickness of the top section. The bottom section includes at least one fixed tab and at least one tear band. The at least one fixed tab is separated from the at least one tear band by at least one vertical membrane.