USD533880SExpiredUtility

Small portable air compressor for ink pens

59
Assignee: DING HWA CO LTDPriority: Oct 26, 2005Filed: Oct 26, 2005Granted: Dec 19, 2006
Est. expiryOct 26, 2025(expired)· nominal 20-yr term from priority
Inventors:Kwang-Tsan Chen
59
PatentIndex Score
12
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a small portable air compressor for ink pens, as shown and described.

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