Mixing element

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Description

FIG. 1 is a perspective view of a design for a new mixing element;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines depict portions of the mixing element that form no part of the claimed design.

Claims

The ornamental design for a mixing element, as shown and described.

Referenced Cited
U.S. Patent Documents
D269039 May 17, 1983 Klein
D290395 June 16, 1987 Stevens et al.
5249862 October 5, 1993 Herold et al.
6244740 June 12, 2001 Wagner et al.
6394643 May 28, 2002 Bublewitz et al.
6443612 September 3, 2002 Keller
6523992 February 25, 2003 Bublewitz et al.
D474271 May 6, 2003 Iori et al.
D483495 December 9, 2003 Sand
6837612 January 4, 2005 Bublewitz et al.
7320541 January 22, 2008 Wagner et al.
D571479 June 17, 2008 Wagner
D571927 June 24, 2008 Wagner
D617001 June 1, 2010 Lee
7771110 August 10, 2010 Wang
20010005338 June 28, 2001 Muhlbauer et al.
20020175186 November 28, 2002 Keller
20030137898 July 24, 2003 Wagner et al.
20040085854 May 6, 2004 Pauser et al.
20120218856 August 30, 2012 Walter et al.
Foreign Patent Documents
20302987 April 2003 DE
1149627 October 2001 EP
WO 98/43727 October 1998 WO
Other references
  • Color photograph (one page) of a Penta Mixing Tip, 3M ESPE Item #71510 (white mixing tip shaft), which was made commercially available by 3M ESPE Dental Products prior to Sep. 20, 2004.
  • Color photograph (one page) of a MixPac Systems AG dynamic mixing tip (blue mixing tip shaft), which was publicly available prior to Sep. 20, 2004.
  • Color photograph (one page) of a Heraeus Kulzer GmbH dynamic mixing tip (grey mixing tip shaft), which was publicly available prior to Sep. 20, 2004.
  • Color photograph (one page) of a Heraeus Kulzer GmbH dynamic mixing tip (blue mixing tip shaft), which was publicly available prior to Sep. 20, 2004.
  • Color photograph (one page) of a Heraeus Kulzer GmbH dynamic mixing tip (white mixing tip shaft), which was publicly available prior to Sep. 20, 2004.
  • Color photograph (one page) of a Kettenbach GmbH & Co. KG Panasil Binetics Putty Dynamic Mixer Mixing Tip (white mixing tip shaft), which was publicly available prior to Sep. 20, 2004.
  • Color photograph (one page) of a Kettenbach GmbH & Co. KG dynamic mixing tip (white mixing tip shaft), which was publicly available prior to Sep. 20, 2004.
  • Color photograph (one page) of a Kettenbach GmbH & Co. KG dynamic mixing tip (grey mixing tip shaft), which was publicly available prior to Sep. 20, 2004.
  • Color photograph (one page) of a DMG Chemisch-Pharmazeutische Fabrik GmbH dynamic mixing tip, which was publicly available prior to Sep. 20, 2004.
  • Color photograph (one page) of a DMG Chemisch-Pharmazeutische Fabrik GmbH Honigum—Heavy, MixStar Tip, which was publicly available prior to Sep. 20, 2004.
Patent History
Patent number: D691281
Type: Grant
Filed: Jul 29, 2011
Date of Patent: Oct 8, 2013
Assignee: 3M Innovative Properties Company (Saint Paul, MN)
Inventors: Alexander Walter (Pürgen), Özcan Dönmez (Landsberg am Lech), Korbinian Schepke-Gerlach (Gauting), Emir Jelovac (München), Manfred Harre (Landsberg am Lech), Jens Gramann (Gräfelfing)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/398,419
Classifications
Current U.S. Class: Mixer Or Grinder (63) (D24/220)