Utility knife

Details Utility knife Utility knife

2007-10-30

2007-10-30

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

29253124

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

REFERENCES:
patent: 5269063 (1993-12-01), Okada
patent: D386959 (1997-12-01), Okada
patent: D398829 (1998-09-01), Okada
patent: D399114 (1998-10-01), Okada
patent: D436825 (2001-01-01), Chen
patent: D442054 (2001-05-01), Okada et al.
patent: D443807 (2001-06-01), Okada
patent: D453673 (2002-02-01), Chen
patent: D458106 (2002-06-01), Chong
patent: D459189 (2002-06-01), Chong
patent: D497301 (2004-10-01), Kondo et al.
patent: D499948 (2004-12-01), Kondo et al.
patent: D511448 (2005-11-01), Chen
patent: D517894 (2006-03-01), Kondo et al.
patent: D523316 (2006-06-01), Kondo et al.
Catalogue, “Super L and Super AL,” OLFA Kabushiki Kaisha, Japanese Publicly Known Exhibit No. HN12015411 (Feb. 2, 2001).

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