USD540644SExpiredUtility

Drive extension

62
Assignee: SONG IN WHAPriority: Jan 29, 2002Filed: Jan 29, 2002Granted: Apr 17, 2007
Est. expiryJan 29, 2022(expired)· nominal 20-yr term from priority
Inventors:In Wha Song
62
PatentIndex Score
13
Cited by
21
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a drive extension, as shown and described.

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