The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 2015
Filed:
Aug. 06, 2009
Frank Andrew Petlak, Antioch, IL (US);
H. Bernard Kirkland, Lindenhurst, IL (US);
Craig Edward Cappel, Lake Villa, IL (US);
Frank Andrew Petlak, Antioch, IL (US);
H. Bernard Kirkland, Lindenhurst, IL (US);
Craig Edward Cappel, Lake Villa, IL (US);
PACTIV LLC, Lake Forest, IL (US);
Abstract
Container including a bottom and sidewalls with undulating pattern of peaks and valley. At least one stacking feature is provided to allow a plurality of containers to be stacked. In one embodiment, the stacking feature is disposed proximate a bottom edge of the sidewall at a peak. In another embodiment, the stacking feature is a stack flap disposed proximate a top edge of the container. Alternatively, the stacking feature is a stack ring having a shape which corresponds to the sidewall perimeter and has an inwardly protruding lip.