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:
Jun. 10, 2003
Filed:
Aug. 21, 2001
Applicant:
Inventor:
David W. Perkins, Hiawatha, IA (US);
Assignee:
Paper Systems, Inc., Des Moines, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 3/010 ;
U.S. Cl.
CPC ...
B65D 3/010 ;
Abstract
A collapsible bag comprising a flexible outer skin, defining an interior and a substantially unobstructed opening. Reinforcing material is provided around said opening to define a pocket containing a rigid support, which allows the bag to hydrostabilize when filled with a fluid.