Utility knife

Details Utility knife Utility knife

2000-02-02

2001-03-20

Hyde, Philip S. (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0439128

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

REFERENCES:
patent: D. 234570 (1975-03-01), Craddock
patent: D. 310475 (1990-09-01), Weimann
patent: D. 408704 (1999-04-01), Gilbert
patent: 3927473 (1975-12-01), Braginetz
patent: 4068375 (1978-01-01), Rathbun et al.
patent: 4604805 (1986-08-01), Krieger

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