USD568772SActiveUtility

Digital protractor

61
Assignee: GUILIN GEMRED SENSOR TECHNOLOGPriority: Jun 10, 2007Filed: Jun 10, 2007Granted: May 13, 2008
Est. expiryJun 10, 2027(~0.9 yrs left)· nominal 20-yr term from priority
Inventors:Guangjin LiChangsong Jiang
61
PatentIndex Score
14
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a digital protractor, as shown and described.

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