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:
Mar. 28, 1978
Filed:
May. 25, 1977
Paul Eugene Rising, Arvada, CO (US);
James Wendell Jensen, Boulder, CO (US);
Harold Cook, Jr, Long View, WA (US);
Coors Container Company, Golden, CO (US);
Abstract
A one piece container end member of metallic sheet material having an exterior rim portion for mounting on an open ended container member; a central wall portion surrounded by the exterior rim portion and extending generally radially inwardly relative thereto for closing the open end of the container body member; an integral inwardly severable and displaceable tab portion in the central wall portion extending generally radially inwardly from the exterior rim portion; the tab portion being hingedly integrally connected to the central wall portion by a generally arcuately extending hinge portion; the tab portion being defined by at least one continuous score groove extending from arcuately spaced points adjacent the interior rim portion on opposite sides of the hinge portion generally radially inwardly therefrom toward the central axis of the container end member with intermediate score groove portions extending along substantially straight lines and being connected adjacent the central axis by a curved intermediate score groove portion; the tab portion within the score groove having indentation means in the form of a continuous formed wall portion extending generally transversely thereto and defining a flat wall portion therewithin, which have a first generally circular section next adjacent the hinge area and a second circular section next adjacent the central axis and a pair of curved connected sections extending therebetween.