Dental drill extender
Description
The broken lines shown in
Claims
The ornamental design for a dental drill extender, substantially as shown and described.
Referenced Cited
U.S. Patent Documents
4205444 | June 3, 1980 | Weissman |
4820156 | April 11, 1989 | Ross |
5098293 | March 24, 1992 | Loof et al. |
5261818 | November 16, 1993 | Shaw |
D351908 | October 25, 1994 | Shaw |
D355487 | February 14, 1995 | Broberg |
5569035 | October 29, 1996 | Balfour et al. |
5816807 | October 6, 1998 | Matsutani et al. |
6106292 | August 22, 2000 | Hollander et al. |
7887326 | February 15, 2011 | Danger |
20090004625 | January 1, 2009 | Esposti et al. |
20130224683 | August 29, 2013 | Zacharia et al. |
Patent History
Patent number: D728101
Type: Grant
Filed: Jan 15, 2014
Date of Patent: Apr 28, 2015
Inventor: Yoshiaki Shimoo (Tokyo)
Primary Examiner: Wan Laymon
Application Number: 29/479,416
Type: Grant
Filed: Jan 15, 2014
Date of Patent: Apr 28, 2015
Inventor: Yoshiaki Shimoo (Tokyo)
Primary Examiner: Wan Laymon
Application Number: 29/479,416
Classifications
Current U.S. Class:
Dental (33) (D24/152)