USD416687SExpiredUtility

Cleaning brush

50
Assignee: CHUAN SHENG BRUSH CO LTDPriority: Apr 5, 1999Filed: Apr 5, 1999Granted: Nov 23, 1999
Est. expiryApr 5, 2019(expired)· nominal 20-yr term from priority
Inventors:Tien-Fu Cheng
50
PatentIndex Score
10
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for cleaning brush, as shown and described.

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