Utility knife

Details Utility knife Utility knife

2008-03-11

2008-03-11

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

29262376

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

REFERENCES:
patent: 4068375 (1978-01-01), Rathbun et al.
patent: 4575940 (1986-03-01), Wenzel
patent: 4662070 (1987-05-01), Reddig
patent: D408704 (1999-04-01), Gilbert
patent: D413247 (1999-08-01), Schmidt
patent: D413783 (1999-09-01), Huang
patent: D426133 (2000-06-01), Degen et al.
patent: 6161290 (2000-12-01), Takamasa
patent: 6865816 (2005-03-01), Zajdel
patent: D520327 (2006-05-01), Gist et al.
patent: D530179 (2006-10-01), Schmidt
patent: 7155829 (2007-01-01), Sun

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