USD556957SExpiredUtility
Drum washing machine
Est. expiryMay 11, 2026(expired)· nominal 20-yr term from priority
Inventors:Sung Soo Shin
30
PatentIndex Score
2
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a drum washing machine, as shown and described.Join the waitlist — get patent alerts
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