USD293812SExpiredUtility

Tank cleaning spray head

31
Assignee: HOLDREN BROTHERS INCPriority: Jul 31, 1985Filed: Jul 31, 1985Granted: Jan 19, 1988
Est. expiryJul 31, 2005(expired)· nominal 20-yr term from priority
Inventors:Samuel O. Roth
31
PatentIndex Score
5
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a tank cleaning spray head, substantially as shown.

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