USD355240SExpiredUtility

Chemical detergent block

98
Assignee: ECOLABPriority: Mar 10, 1993Filed: Mar 10, 1993Granted: Feb 7, 1995
Est. expiryMar 10, 2013(expired)· nominal 20-yr term from priority
Inventors:Elizabeth J. GladfelterTina O. OutlawDaniel K. Boche
98
PatentIndex Score
87
Cited by
27
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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