Household electric sharpener

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

Design Patent

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Design Patent

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D0491783

CLAIM:
The ornamental design for a household electric sharpener, as shown and described.

REFERENCES:
patent: D175067 (1955-07-01), Ernest
patent: 2799125 (1957-07-01), Dicke
patent: 2860452 (1958-11-01), Lebus
patent: 3041790 (1962-07-01), Ettman
patent: D218008 (1970-07-01), Julkenbeck
patent: 4333273 (1982-06-01), Roucau et al.
patent: D265718 (1982-08-01), Stoeckli
patent: 5005319 (1991-04-01), Friel
patent: D326986 (1992-06-01), Dressel et al.
patent: 5397262 (1995-03-01), Lii
patent: D441796 (2001-05-01), Chan
patent: D454159 (2002-03-01), Tsuchikura

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