USD372398SExpiredUtility
Swirl tumbler
Est. expiryApr 17, 2015(expired)· nominal 20-yr term from priority
Inventors:Wayne W. Lamson
89
PatentIndex Score
45
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a swirl tumbler, as shown and described.
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