USD590019SExpiredUtility

Aid for teaching projection drawing

37
Assignee: URDAREVIK SLOBODANPriority: Sep 14, 2005Filed: Apr 10, 2008Granted: Apr 7, 2009
Est. expirySep 14, 2025(expired)· nominal 20-yr term from priority
Inventors:Slobodan Urdarevik
37
PatentIndex Score
3
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for aid for teaching projection drawing, as shown and described.

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