Casing centralizer
DC
First Claim
Patent Images
1. The ornamental design for a casing centralizer, as shown and described.
4 Assignments
Litigations
0 Petitions
Accused Products
72 Citations
1 Claim
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1. The ornamental design for a casing centralizer, as shown and described.
Specification
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Litigation Data
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Current AssigneeTercel Oilfield Products USA LLC
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Original AssigneeTop-Company Cementing Products Incorporated (Top-Co LP)
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InventorsAndrigo, Gregory, Sanchez, Alfredo
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Primary Examiner(s)GOODWIN, MARK ALAN
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Application NumberUS29/405,113Time in Patent Office277 DaysField of SearchD15/10, D15/21, 166/384, 1662411-2417, 166/213, 166/173, 166/208, 166/382, 175/325.5, 175/325.1, 175/325.2, 175/325.3, 138/108, 138/112, 228/155, 723/93US Class CurrentD15/21CPC Class CodesN/A
