USD308139SExpiredUtility
Triple head surface cleaning device
Est. expiryApr 10, 2007(expired)· nominal 20-yr term from priority
Inventors:Israel Viner
72
PatentIndex Score
19
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a triple head surface cleaning device, as shown and described.
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