Trephine drill
Description
Claims
What is claimed is the ornamental design for a trephine drill, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
4296656 | October 27, 1981 | Ernst |
D268615 | April 12, 1983 | Biggs |
4588381 | May 13, 1986 | Caracciolo |
4820156 | April 11, 1989 | Ross |
D317455 | June 11, 1991 | Martin |
D321894 | November 26, 1991 | Harris |
5066230 | November 19, 1991 | Weissman |
5098293 | March 24, 1992 | Loof et al. |
5161973 | November 10, 1992 | Johnson |
D351908 | October 25, 1994 | Shaw |
D355487 | February 14, 1995 | Broberg |
D385468 | October 28, 1997 | Wallach |
D399956 | October 20, 1998 | Mendoza |
D408831 | April 27, 1999 | McGregor |
D438219 | February 27, 2001 | Brutscher |
D466139 | November 26, 2002 | Kim et al. |
D564547 | March 18, 2008 | Keightley |
D575808 | August 26, 2008 | Zeiler et al. |
D588175 | March 10, 2009 | Morton |
D597110 | July 28, 2009 | Anitua Aldecoa |
D620035 | July 20, 2010 | Eades |
20090264888 | October 22, 2009 | Neumeyer et al. |
- Google Image Result for http://i00.i.aliimg.com/photo/v0/343268256/Dental—implant—trephine—drill.jpg. 1 page. Viewed Mar. 30, 2011.
- Google Image Result for http://www.osseoustech.net/store/image.php?object—type=product&image—id=1602. 1 page. Viewed Mar. 31, 2011.
Patent History
Patent number: D644327
Type: Grant
Filed: Sep 2, 2010
Date of Patent: Aug 30, 2011
Inventor: Pankaj P. Singh (Brookville, NY)
Primary Examiner: Ian Simmons
Assistant Examiner: Wan Laymon
Attorney: QuickPatents, Inc.
Application Number: 29/369,101
Type: Grant
Filed: Sep 2, 2010
Date of Patent: Aug 30, 2011
Inventor: Pankaj P. Singh (Brookville, NY)
Primary Examiner: Ian Simmons
Assistant Examiner: Wan Laymon
Attorney: QuickPatents, Inc.
Application Number: 29/369,101
Classifications