USD536514SExpiredUtility

Expansible back cap

40
Assignee: YAN SUEN CHINGPriority: Apr 19, 2005Filed: Apr 19, 2005Granted: Feb 13, 2007
Est. expiryApr 19, 2025(expired)· nominal 20-yr term from priority
Inventors:Suen Ching Yan
40
PatentIndex Score
4
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       I claim the ornamental design for an expansible back cap, as shown and described.

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