USD552813SExpiredUtility

Retractable screen duster

35
Assignee: WOLFF MEDICAL MARKETING AND DEPriority: Nov 14, 2005Filed: Nov 14, 2005Granted: Oct 9, 2007
Est. expiryNov 14, 2025(expired)· nominal 20-yr term from priority
Inventors:Stephen H. Wolff
35
PatentIndex Score
2
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a retractable screen duster, as shown and described.

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