Digital sliding protractor
Description
Claims
The ornamental design for a digital sliding protractor, as shown and described.
Patent History
Patent number: D678086
Type: Grant
Filed: Dec 22, 2011
Date of Patent: Mar 19, 2013
Inventors: Meng Zhang (San Clemente, CA), Yanchen Zhang (San Clemente, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/407,907
Type: Grant
Filed: Dec 22, 2011
Date of Patent: Mar 19, 2013
Inventors: Meng Zhang (San Clemente, CA), Yanchen Zhang (San Clemente, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/407,907
Classifications
Current U.S. Class:
Angle Or Direction (7) (D10/65)