USD270718SExpiredUtility

Field hand pump for use in the measuring of properties of drilling mud, or the like

54
Assignee: HALLIBURTON COPriority: Mar 9, 1981Filed: Mar 9, 1981Granted: Sep 27, 1983
Est. expiryMar 9, 2001(expired)· nominal 20-yr term from priority
Inventors:David Cain
54
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a field hand pump for use in the measuring of properties of drilling mud, or the like, substantially as shown and described.

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