Drill attachment
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Description
The broken lines shown in the drawings illustrate portions of the drill attachment that form no part of the claimed design.
Claims
We claim the ornamental design for a drill attachment, as shown and described.
Referenced Cited
U.S. Patent Documents
2307312 | January 1943 | Whiting |
3008160 | November 1961 | West |
D224718 | September 1972 | Wahl |
D292834 | November 17, 1987 | Slachta |
5964006 | October 12, 1999 | Holmes et al. |
6138317 | October 31, 2000 | Holmes et al. |
D543563 | May 29, 2007 | Skradski et al. |
D544007 | June 5, 2007 | Marasco |
D555180 | November 13, 2007 | Amamoto et al. |
D575311 | August 19, 2008 | Konecny |
D597571 | August 4, 2009 | Darr |
D632941 | February 22, 2011 | Noniewicz |
Patent History
Patent number: D685248
Type: Grant
Filed: Feb 22, 2012
Date of Patent: Jul 2, 2013
Assignee: Elmich Pte Ltd (Singapore)
Inventors: Alan Sian Ghee Lee (Singapore), Henry Greaves (Watsons Bay)
Primary Examiner: Philip S Hyder
Assistant Examiner: Darlington Ly
Application Number: 29/413,929
Type: Grant
Filed: Feb 22, 2012
Date of Patent: Jul 2, 2013
Assignee: Elmich Pte Ltd (Singapore)
Inventors: Alan Sian Ghee Lee (Singapore), Henry Greaves (Watsons Bay)
Primary Examiner: Philip S Hyder
Assistant Examiner: Darlington Ly
Application Number: 29/413,929
Classifications
Current U.S. Class:
D8/77