Drill chuck

Details Drill chuck Drill chuck

2008-04-22

2008-04-22

Davis, Antoine D. (Department: 2915)

Machines not elsewhere specified

Material working, abrading, or founding machinery

Element or attachment

Design Patent

active

29269136

CLAIM:
The ornamental design for a drill chuck, as shown.

REFERENCES:
patent: 3506277 (1970-04-01), Harms
patent: 4682918 (1987-07-01), Palm
patent: D426840 (2000-06-01), Sakamaki
patent: D471571 (2003-03-01), Concari
patent: D472784 (2003-04-01), Concari
patent: D514416 (2006-02-01), Watson
patent: D542815 (2007-05-01), Concari et al.
patent: 2002/0089127 (2002-07-01), Rohm
patent: 2003/0020242 (2003-01-01), Mack

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