Ratchet gear having elliptical drive hole

Details Ratchet gear having elliptical drive hole Ratchet gear having elliptical drive hole

2002-03-07

2004-06-15

Barkai, Raphael (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0491428

CLAIM:
The ornamental design for our ratchet gear having elliptical drive hole, as shown and described.

REFERENCES:
patent: 4515044 (1985-05-01), Harstad
patent: 5199329 (1993-04-01), Hsu
patent: D378339 (1997-03-01), Whitley
patent: 5626062 (1997-05-01), Colvin
patent: 5901620 (1999-05-01), Arnold
patent: 6101902 (2000-08-01), Wei
patent: 6237447 (2001-05-01), Chen et al.

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