Portable electric hammer drill

Details Portable electric hammer drill Portable electric hammer drill

2008-01-01

2008-01-01

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

D0558551

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

REFERENCES:
patent: D378654 (1997-04-01), Matsuoka et al.
patent: D396789 (1998-08-01), Murray
patent: 6543549 (2003-04-01), Riedl et al.
patent: D538619 (2007-03-01), Okuda
patent: D540135 (2007-04-01), Okuda
patent: 2003/0094294 (2003-05-01), Fritz
patent: 2006/0000627 (2006-01-01), Frauhammer et al.
patent: 2105552 (2001-10-01), None
patent: 3011894 (2003-03-01), None
patent: S 1280931 (2006-09-01), None
patent: S 1280952 (2006-09-01), None

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