Centralizer

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

FIG. 1 is a side elevation view of a centralizer, showing our new design;

FIG. 2 is an axial end, elevation view of the centralizer.

FIG. 3 is a perspective view of the centralizer, with unclaimed environment not shown.

FIG. 4 is an axial end, elevation view of the centralizer, with unclaimed environment not shown; and,

FIG. 5 is a side elevation view of the centralizer.

The broken lines in the drawings depict unclaimed environmental subject matter only and form no part of the claimed design.

Claims

The ornamental design for a centralizer, as shown and described.

Referenced Cited
U.S. Patent Documents
2727576 December 1955 Hall
2812200 November 1957 Yeargan
3072195 January 1963 Kluck
3235295 February 1966 Solum
3292708 December 1966 Mundt
3343608 September 1967 Solum
3566965 March 1971 Solum
3575239 April 1971 Solum
3614139 October 1971 Harrison
4077470 March 7, 1978 Dane
4219081 August 26, 1980 Howe
4255847 March 17, 1981 Howe
4261556 April 14, 1981 Howe
4520869 June 4, 1985 Svenson
4531582 July 30, 1985 Muse
4641776 February 10, 1987 Vlasek
4681161 July 21, 1987 Arterbury
4688636 August 25, 1987 Hennessey
4770336 September 13, 1988 Arterbury
4909322 March 20, 1990 Patterson
5238062 August 24, 1993 Reinholdt
5908072 June 1, 1999 Hawkins
6102118 August 15, 2000 Moore
6367556 April 9, 2002 Moore
6484803 November 26, 2002 Gremillion
D537315 February 27, 2007 Yaksich
7690437 April 6, 2010 Guillot
7878241 February 1, 2011 Buytaert
D662952 July 3, 2012 Kirk
D663750 July 17, 2012 Andrigo
D671960 December 4, 2012 Kirk
D674818 January 22, 2013 Andrigo
D676464 February 19, 2013 Hansen
8701759 April 22, 2014 Hansen
8851168 October 7, 2014 Buytaert
D717836 November 18, 2014 Buytaert
D717837 November 18, 2014 Buytaert
D718342 November 25, 2014 Buytaert
9127519 September 8, 2015 Jordan
D743447 November 17, 2015 Neel
9328568 May 3, 2016 Andrigo
9341032 May 17, 2016 Jewett
9470047 October 18, 2016 Kirk
9556687 January 31, 2017 Buytaert
9664001 May 30, 2017 Jenner
10000978 June 19, 2018 Angman
10156103 December 18, 2018 Kirk
10214973 February 26, 2019 Andrigo
20090025929 January 29, 2009 Buytaert
20110290474 December 1, 2011 Nutley
Patent History
Patent number: D873867
Type: Grant
Filed: Feb 14, 2018
Date of Patent: Jan 28, 2020
Assignee: INNOVEX DOWNHOLE SOLUTIONS, INC. (Houston, TX)
Inventors: Jesse L. Neel (Willow Park, TX), Christopher Penry (Weatherford, TX), Everette Johnston (Perrin, TX), Christian Hatla (Jacksboro, TX)
Primary Examiner: Khawaja Anwar
Assistant Examiner: Mojtaba Tehrani
Application Number: 29/637,119