Pencil sharpener

Details Pencil sharpener Pencil sharpener

1997-08-14

1999-11-23

Watts, Douglas D.

Cutlery

Static pencil sharpener

With debris receiver

30458, B43L 2308

Patent

active

059877596

ABSTRACT:
A pencil sharpener with structure for covering the pencil receiving inlet of the sharpener, to prevent the back flow of the pencil shavings and accidental contact between the user and the cutting blades of the sharpener when the device is not in use. The device may have a key chain to enhance its portability, and include additional sharpeners to sharpen pencils (or crayons) of different sizes.

REFERENCES:
patent: 329486 (1885-11-01), Price
patent: D341251 (1993-11-01), Bensman et al.
patent: 661955 (1900-11-01), Cranstone
patent: 703967 (1902-07-01), O'Byrne
patent: 879998 (1908-02-01), Augir
patent: 1780371 (1930-11-01), Benczalski
patent: 4485862 (1984-12-01), Mattheis et al.
patent: 5367777 (1994-11-01), Nguyen et al.

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