Class 30/460 - Open-ended for point protection during writing

Subclass of Class 30 - Cutlery
Definition: Device having an opening through the end thereof opposite
No. of patents: 2
Last issue date: 06/19/1990

Number	Title	Issue Date
4934057	Multi-blade pencil-core sharpener A sharpener, specially for the pencils, is made of a shell and a metal blade. At the upper end of the shell there is a funnel or alternatively two funnels placed side by side. The metal blade is V-notched or U-notched with the opening upward and is placed...	06/19/1990
4755074	Pencil sharpener The disclosure is directed to a pencil sharpener device in which the sharpening element is slidably mounted within a support member for movement between a retracted position when not in use to a protracted position for use in sharpening the pencil. When i...	07/05/1988

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