Dental instrument

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of a dental instrument showing my new design;

FIG. 2 is a front elevation thereof shown on a slightly enlarged scale;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

Claims

The ornamental design for a dental instrument, as shown and described.

Referenced Cited
U.S. Patent Documents
227815 May 1880 Morris
293130 February 1884 Willis
657336 September 1900 Dale
706447 August 1902 Peart
2674799 April 1954 Fraser
3905374 September 1975 Winter
D272648 February 14, 1984 Bolesky et al.
4513742 April 30, 1985 Arnegger
4557172 December 10, 1985 Yoneda
4751922 June 21, 1988 DiPietropolo
4971556 November 20, 1990 Ritano
5026284 June 25, 1991 Martin
5122134 June 16, 1992 Borzone et al.
5257934 November 2, 1993 Cossellu
5306285 April 26, 1994 Miller et al.
5361665 November 8, 1994 Sonefors
5403318 April 4, 1995 Boehringer et al.
5499984 March 19, 1996 Steiner et al.
D373522 September 10, 1996 Humphrey
5653590 August 5, 1997 Heath et al.
5735690 April 7, 1998 Malentacca
5752825 May 19, 1998 Buchanan
5833457 November 10, 1998 Johnson
5836764 November 17, 1998 Buchanan
5871356 February 16, 1999 Guedj
5885079 March 23, 1999 Niznick
5897316 April 27, 1999 Buchanan
5947730 September 7, 1999 Kaldestad
6012921 January 11, 2000 Riitano et al.
6022353 February 8, 2000 Fletcher et al.
6258093 July 10, 2001 Edwards et al.
6293794 September 25, 2001 McSpadden
6332886 December 25, 2001 Green et al.
6439885 August 27, 2002 Antler
6520774 February 18, 2003 Mays
6589052 July 8, 2003 Wilcko
D492331 June 29, 2004 Matti
D547869 July 31, 2007 Eckman
7367804 May 6, 2008 Lewis
20030013067 January 16, 2003 Bleiweiss et al.
20040229188 November 18, 2004 Lewis et al.
20050186534 August 25, 2005 Roane
Foreign Patent Documents
83087 March 1921 AT
2404997 August 1975 DE
3008039 September 1981 DE
3300791 July 1983 DE
3600105 July 1986 DE
91079241 August 1991 DE
4140169 September 1993 DE
4427204 February 1996 DE
69608101 September 2000 DE
69423508 November 2000 DE
20113254 February 2002 DE
10135820 January 2003 DE
69819969 November 2004 DE
0136500 April 1985 EP
0257961 March 1988 EP
0424734 May 1991 EP
0551104 July 1993 EP
0684019 November 1995 EP
0819410 January 1998 EP
0882433 December 1998 EP
0895757 February 1999 EP
1145691 October 2001 EP
1354566 October 2003 EP
WO 0110330 February 2001 WO
WO 02067801 September 2002 WO
WO 2004041111 May 2004 WO
WO 2004091422 October 2004 WO
Other references
  • Dental root-canal instruments Part 2: EN ISO 3630-2, Sep. 2001, pp. 1-2.
  • Dental root-canal instruments Part 2: Enlargers EN ISO 3630-2, Dec. 2000, pp. 1-15.
Patent History
Patent number: D595850
Type: Grant
Filed: Aug 7, 2007
Date of Patent: Jul 7, 2009
Assignee: Gebr. Brasseler GmbH & Co. KG (Lemgo)
Inventor: Peter Koch (Bielefeld)
Primary Examiner: Charles A Rademaker
Attorney: Sheridan Ross P.C.
Application Number: 29/283,155
Classifications
Current U.S. Class: Dental (33) (D24/152)