Centralizer
Description
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
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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
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
Classifications
Current U.S. Class:
Drilling, Mining, Or Soil Treatment (includes Element) (D15/21)