USD279932SExpiredUtility
Window cleaner
Est. expiryNov 17, 2000(expired)· nominal 20-yr term from priority
Inventors:Arne Bergstrom
83
PatentIndex Score
24
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for window cleaner, as shown and described.
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