Pivoting blade sharpening apparatus

Details Pivoting blade sharpening apparatus Pivoting blade sharpening apparatus

2000-02-23

2001-05-15

Hyder, Philip S. (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0442052

CLAIM:
The ornamental design for a pivoting blade sharpening apparatus, as shown and described.

REFERENCES:
patent: D. 53645 (1919-07-01), Taylor
patent: D. 217084 (1970-04-01), Martin
patent: D. 285042 (1986-08-01), Sparks
patent: D. 375441 (1996-11-01), McCoy et al.
patent: D. 401129 (1998-11-01), Glesser
patent: 4759153 (1988-07-01), Cohen
patent: 5426999 (1995-06-01), Seiler et al.

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