USD313681SExpiredUtility
Upper portion of a vacuum cleaner
Est. expiryDec 27, 2009(expired)· nominal 20-yr term from priority
Inventors:Darwin T. Mcknight
96
PatentIndex Score
53
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an upper portion of a vacuum cleaner, as shown and described.
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