Knife blade

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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D0519798

CLAIM:
I claim the ornamental design for a knife blade, as shown and described.

REFERENCES:
patent: 179255 (1876-06-01), Beck
patent: 779233 (1905-01-01), Morgan
patent: 1503251 (1924-07-01), Schoof
patent: D128623 (1941-08-01), Dorcas
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patent: D362485 (1995-09-01), Hall
patent: D375135 (1996-10-01), Thompson
patent: D409270 (1999-05-01), Balolia
patent: D493685 (2004-08-01), Dallas
patent: D502526 (2005-03-01), Rae
patent: 2002/0104222 (2002-08-01), Jay
Levine's Guide to Knives and Their Values by Bernard Levine, DBI Books, Inc. pp. 298, 316, 326, 398, 409 and 466.

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