Utility knife

Details Utility knife Utility knife

2001-01-22

2002-03-05

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

D0454042

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

REFERENCES:
patent: D336029 (1993-06-01), Ragland et al.
patent: D349227 (1994-08-01), Ragland et al.
patent: D383963 (1997-09-01), Gold
patent: D395219 (1998-06-01), Ghavami
patent: D410832 (1999-06-01), Chong
patent: D413247 (1999-08-01), Schmidt
patent: 5979057 (1999-11-01), Chao
patent: D420270 (2000-02-01), Martone
patent: D438084 (2001-02-01), Khachatoorian
patent: D439492 (2001-03-01), Martone et al.
patent: D445661 (2001-07-01), Chen
patent: D445662 (2001-07-01), Huang

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