Hammer drill

Details Hammer drill Hammer drill

2002-11-13

2004-04-27

Coles, Doris V. (Department: 2913)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0488978

CLAIM:
The ornamental design for a hammer drill, as shown and described.

REFERENCES:
patent: D279862 (1985-07-01), Sato et al.
patent: D279957 (1985-08-01), Akazawa et al.
patent: D280797 (1985-10-01), Sakamoto et al.
patent: 4689534 (1987-08-01), Gerber et al.
patent: 5056607 (1991-10-01), Sanders
patent: D332208 (1993-01-01), Sakamoto et al.
patent: D339727 (1993-09-01), Kikuchi
patent: D396395 (1998-07-01), Zurwelle
patent: D406511 (1999-03-01), Zurwelle
patent: D406741 (1999-03-01), Zurwelle
patent: D406742 (1999-03-01), Schoen et al.
patent: D439123 (2001-03-01), Sakai et al.
patent: D470737 (2003-02-01), Chunn et al.
Drills, p. 84 of the Skil Power Tools & Accessories catalogue, c. 1995.*
Drills, p. 22 of the DeWalt Tool catalogue, c. 1998.

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