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United States Patent D671,960
Kirk ,   et al. December 4, 2012

Centraliser

Claims


CLAIM The ornamental design for a centraliser, as shown and described.
Inventors: Kirk; Andrew Keith (Methlick, GB), Kirk; Ian Alastair (Aberdeen, GB)
Assignee: Downhole Products Limited (Aberdeen, GB)
Appl. No.: D/423,094
Filed: May 29, 2012

Related U.S. Patent Documents

Application NumberFiling DatePatent NumberIssue Date
29400032Aug., 2011D662952

Foreign Application Priority Data

Feb 24, 2011 [EM] 001825977

Current U.S. Class: D15/21
Current International Class: 1503
Field of Search: D15/10,21 166/384,241.1-241.7,213,173,208,382 175/325.5,325.1,325.2,325.3 138/108,112 228/155 72/393

References Cited

U.S. Patent Documents
2392145 January 1946 Hall
3119451 January 1964 Hall
3209836 October 1965 Hall, Sr.
3343608 September 1967 Solum
3566965 March 1971 Solum
3575239 April 1971 Solum
4088186 May 1978 Callihan et al.
4143713 March 1979 Kreft
4219081 August 1980 Howe
4255847 March 1981 Howe
4261556 April 1981 Howe
4363360 December 1982 Richey
4520869 June 1985 Svenson
4531582 July 1985 Muse et al.
4545436 October 1985 Harrison
4641776 February 1987 Vlasek et al.
4651823 March 1987 Spikes
4688636 August 1987 Hennessey
4787458 November 1988 Langer
4875524 October 1989 Bradley et al.
4909322 March 1990 Patterson et al.
H1192 June 1993 Keller
5238062 August 1993 Reinholdt
5575333 November 1996 Lirette et al.
5785125 July 1998 Royer
6102118 August 2000 Moore
6298883 October 2001 Kinzel
6367556 April 2002 Moore
6453999 September 2002 Reinholdt
6457519 October 2002 Buytaert
6484803 November 2002 Gremillion
6637511 October 2003 Linaker
6679325 January 2004 Buytaert
6725939 April 2004 Richard
6871706 March 2005 Hennessey
7071697 July 2006 Rioufol et al.
7156171 January 2007 Gremillion
7182131 February 2007 Gremillion
7849918 December 2010 Ehlinger et al.
7878241 February 2011 Buytaert et al.
2003/0230411 December 2003 Richard
2009/0025929 January 2009 Buytaert et al.
Primary Examiner: Goodwin; Mark
Attorney, Agent or Firm: Winstead PC

Description



FIG. 1 is a front view of a first embodiment of a centraliser showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is bottom perspective view thereof;

FIG. 8 is a top perspective view thereof;

FIG. 9 is an enlarged partial top perspective view thereof;

FIG. 10 is an enlarged partial bottom perspective view thereof;

FIG. 11 is a front view of a second embodiment of the centraliser showing our new design;

FIG. 12 is a rear view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a top plan view thereof;

FIG. 16 is a bottom plan view thereof;

FIG. 17 is a bottom perspective view thereof;

FIG. 18 is a top perspective view thereof;

FIG. 19 is an enlarged partial top perspective view thereof; and,

FIG. 20 is an enlarged partial bottom perspective view thereof.

The broken line showing a pipe is included for the purpose of illustrating environmental structure only and the broken line showing a rectangular feature in FIGS. 9, 10, 19, and 20 represents a boundary of the enlarged portions of the claim and forms no part of the claimed design.

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