Head portion of a ratchet wrench

Details Head portion of a ratchet wrench Head portion of a ratchet wrench

2002-03-25

2003-03-18

Barkai, Raphael (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0471774

CLAIM:
The ornamental design for head portion of a ratchet wrench, as shown and described.

REFERENCES:
patent: D199149 (1964-09-01), Greenlee
patent: 3393587 (1968-07-01), Jolliff et al.
patent: D289135 (1987-04-01), Doman
patent: 5178047 (1993-01-01), Arnold et al.
patent: D336225 (1993-06-01), Lin
patent: D380949 (1997-07-01), Sung
patent: D423891 (2000-05-01), Melvin et al.
patent: D438438 (2001-03-01), Melvin et al.
patent: D439480 (2001-03-01), Hsu
patent: 6457389 (2002-10-01), Hu

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