USD674818SActiveUtility
Casing centralizer
Assignee: TOP CO CEMENTING PRODUCTS INCPriority: Oct 28, 2011Filed: Oct 28, 2011Granted: Jan 22, 2013
Est. expiryOct 28, 2031(~5.2 yrs left)· nominal 20-yr term from priority
59
PatentIndex Score
11
Cited by
108
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a casing centralizer, as shown and described.
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