USD838070SActiveUtility
Abrasive cleaning device
Est. expirySep 13, 2036(~10.2 yrs left)· nominal 20-yr term from priority
Inventors:Wen-Pin Chen
43
PatentIndex Score
3
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an abrasive cleaning device, as shown.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.