Self-piercing nut

Details Self-piercing nut Self-piercing nut

2007-10-02

2007-10-02

Nelson, T. Chase (Department: 2915)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

29255416

CLAIM:
The ornamental design for a self-piercing nut, as shown and described.

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patent: D487281 (2004-03-01), Roman et al.
patent: D522025 (2006-05-01), Niebauer et al.
patent: D523039 (2006-06-01), Niebauer et al.
patent: 2005/0186046 (2005-08-01), Shinjo

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