USD662137SActiveUtility

Paper punch

37
Assignee: CHUANG CHIH-WEIPriority: Sep 13, 2011Filed: Sep 13, 2011Granted: Jun 19, 2012
Est. expirySep 13, 2031(~5.2 yrs left)· nominal 20-yr term from priority
Inventors:Chih-Wei ChuangJungkun Lee
37
PatentIndex Score
2
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a paper punch, as shown and described.

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