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. 30, 1992
Filed:
May. 06, 1986
Davis W Chamberlin, St. Paul, MN (US);
Gerald J Niles, St. Paul, MN (US);
Carl S Ahlberg, St. Paul, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
A blow molded box having (1) corner structures including hollow post-like supports against an outer polymeric sheet defining the corner, which supports are formed in inner polymeric sheets defining the inner surfaces of the intersecting walls at the corner; (2) dust resistant hinge that has central parts that engage when the box is opened or closed to retain the relative positions of those central parts against radial movement; and (3) locating portions on the sidewalls of the box that engage mating locating portions on the sidewalls of adjacent similar boxes to restrict slippage between the boxes and facilitate carrying a stack of the boxes, but which are resiliently flexible so that they do not greatly restrict removing the box from between adjacent boxes stored side by side on a shelf or hanging from a support member.