Chipper knife

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

Design Patent

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Details

CD15S139000, CD25S123000, CD32S041000

Design Patent

active

D0450556

CLAIM:
The ornamental design for a chipper knife, as shown and described.

REFERENCES:
patent: D. 29185 (1898-08-01), Dobbie
patent: D. 258659 (1981-03-01), Nystrom et al.
patent: D. 370611 (1996-06-01), Frick et al.
patent: 4545413 (1985-10-01), Sundberg et al.
patent: 4694995 (1987-09-01), Holmberg et al.
patent: 4969605 (1990-11-01), Morin
patent: 5133394 (1992-07-01), Landtwing
patent: 5348065 (1994-09-01), Meyer
patent: WO96/00639 (1996-01-01), None

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