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. 27, 1993
Filed:
Oct. 11, 1991
William P Apps, Anaheim, CA (US);
Arne Lang-Ree, Manhattan Beach, CA (US);
Rehrig-Pacific Company, Inc., Los Angeles, CA (US);
Abstract
A method for stacking and unstacking reusable plastic trays for storing and transporting beverage containers, such as twelve-ounce metal cans and two-liter PET bottles. When the tray is a can tray, the bottom surface of the floor has a pattern of protuberances and recessed areas therebetween. A loaded can tray is stacked on a similar tray therebeneath, such that the lower can rims fit into the recessed areas and the protuberances are positioned both inside of and outside of the rims thereby locating and locking the upper tray in place. To unlock the upper tray it is simply twisted so that the protuberances ride up their bevelled edges onto the rims and into a sliding position.