Safety knife

Details Safety knife Safety knife

2007-04-17

2007-04-17

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

29225177

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

REFERENCES:
patent: D323967 (1992-02-01), Talbot
patent: 5282316 (1994-02-01), Anderson
patent: D381886 (1997-08-01), Domenico
patent: 5737842 (1998-04-01), Freedman
patent: D401492 (1998-11-01), Joseph, Jr.
patent: 5829321 (1998-11-01), Domenico
patent: 6513249 (2003-02-01), Linton et al.
patent: D481609 (2003-11-01), Perlmutter et al.
patent: D501126 (2005-01-01), Addis
patent: D508390 (2005-08-01), Trbovich, Jr.

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