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. 10, 1990
Filed:
Jul. 13, 1989
James H Cote, Export, PA (US);
Jurgen Ekberg, Export, PA (US);
Bruce T Cleevely, Pittsburgh, PA (US);
Harry M George, Pittsburgh, PA (US);
National Semiconductor Corporation, Santa Clara, CA (US);
Abstract
An injection molded, thermoplastic tray for storage and shipment of leadframes comprises a receptacle in the form of a rectangular base, and a plurality of dividers engageable with the base. The receptacle has first and second hinged side walls with outwardly extending flanges. The dividers have a first engaging member which engages with the first side wall to hold the same in an upward position and a second engaging member which is engageable with the second side wall when the second side wall is pivoted to an upward position to hold the same in the upward position. Notches are provided in the bore of the receptacle which are engaged with downwardly and outwardly hooks on the bottom of the divider. Stacking members in the form of upwardly extending saddles and outwardly extending pegs provide for stacking of one tray atop another.