USD345177SExpiredUtility

Drawing board

75
Assignee: HOP LEE CHEONG IND CO LTDPriority: Apr 21, 1992Filed: Oct 20, 1992Granted: Mar 15, 1994
Est. expiryApr 21, 2012(expired)· nominal 20-yr term from priority
Inventors:Kai-Shun Mak
75
PatentIndex Score
17
Cited by
7
References
1
Claims

Claims

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

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