Utility knife

Details Utility knife Utility knife

1999-12-01

2001-03-27

Hyder, Philip S. (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0439492

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

REFERENCES:
patent: D. 293202 (1987-12-01), West et al.
patent: D. 319378 (1991-08-01), Wilcox
patent: D. 336029 (1993-06-01), Ragland et al.
patent: D. 348383 (1994-07-01), Perkins
patent: D. 349227 (1994-08-01), Ragland et al.
patent: D. 352881 (1994-11-01), Schmidt
patent: D. 395219 (1998-06-01), Ghavami
patent: D. 400774 (1998-11-01), Ghavami
patent: D. 420270 (2000-02-01), Martone
patent: 5121544 (1992-06-01), Gilbert

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