Retractable utility knife

Details Retractable utility knife Retractable utility knife

2007-07-17

2007-07-17

Hyder, Philip S. (Department: 2915)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

29239539

CLAIM:
The ornamental design for a retractable utility knife, as shown and described.

REFERENCES:
patent: D319378 (1991-08-01), Wilcox
patent: D348383 (1994-07-01), Perkins
patent: D395219 (1998-06-01), Ghavami
patent: D401832 (1998-12-01), Keklak et al.
patent: D420270 (2000-02-01), Martone
patent: D426133 (2000-06-01), Degen et al.
patent: D455061 (2002-04-01), Huang
patent: D462250 (2002-09-01), Ping

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