USD264974SExpiredUtility

Apparatus for cleaning drilling mud and fluids

34
Individually held — no corporate assignee on recordPriority: Feb 6, 1980Filed: Feb 6, 1980Granted: Jun 15, 1982
Est. expiryFeb 6, 2000(expired)· nominal 20-yr term from priority
Inventors:Don D. Summers
34
PatentIndex Score
2
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an apparatus for cleaning drilling mud and fluids, as shown and described.

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