Utility knife

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

Design Patent

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Design Patent

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D0519818

CLAIM:
We claim the ornamental design for a utility knife, as shown and described.

REFERENCES:
patent: D263277 (1982-03-01), Gregoire
patent: D264800 (1982-06-01), Osada
patent: 4509260 (1985-04-01), Gringer
patent: 4635309 (1987-01-01), Larsen
patent: 5025558 (1991-06-01), Gilbert
patent: D333418 (1993-02-01), Thompson et al.
patent: D354900 (1995-01-01), Hirai
patent: 5386632 (1995-02-01), Schmidt
patent: 5495670 (1996-03-01), Quinn
patent: D374597 (1996-10-01), Birkholz et al.
patent: D428790 (2000-08-01), Jacquet
patent: D443494 (2001-06-01), Okada
patent: D453896 (2002-02-01), Hirai
patent: 6349473 (2002-02-01), Schmidt
patent: D464552 (2002-10-01), Jacquet

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