Utility knife

Details Utility knife Utility knife

2002-05-02

2003-04-15

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

D0473121

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

REFERENCES:
patent: 3921289 (1975-11-01), Hasegawa
patent: 4109380 (1978-08-01), Anderson
patent: D311675 (1990-10-01), Wilson et al.
patent: D311854 (1990-11-01), Wilson et al.
patent: D346730 (1994-05-01), Quiros
patent: D424907 (2000-05-01), Wonderley
patent: D444368 (2001-07-01), Wonderley

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