USD334227SExpiredUtility

Chemical detergent block

62
Assignee: ECOLAB INCPriority: May 14, 1991Filed: May 14, 1991Granted: Mar 23, 1993
Est. expiryMay 14, 2011(expired)· nominal 20-yr term from priority
Inventors:Elizabeth J. GladfelterTina O. OutlawJames L. CopelandRhonda K. SchulzDaniel K. BocheJeff W. Peterson
62
PatentIndex Score
10
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a chemical detergent block, as shown and described.

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