Patent
   D610477
Priority
Feb 13 2009
Filed
Feb 13 2009
Issued
Feb 23 2010
Expiry
Feb 23 2024
Assg.orig
Entity
unknown
18
4
n/a
The ornamental design for a digital protractor, as shown and described.

FIG. 1 is a front elevational view of a digital protractor;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Li, Guangjin, Jiang, Changsong

Patent Priority Assignee Title
D657271, Nov 17 2010 Angle measuring tool
D657272, Nov 17 2010 Angle measuring tool
D678086, Dec 22 2011 Digital sliding protractor
D689383, Jul 02 2012 Neshiwat Designs, LLC Digital goniometer
D699601, Sep 07 2012 Nomis LLC Angle finder
D966911, Aug 11 2021 Jinhua Wanfeng Tools Factory Compass with ruler
D975557, Oct 09 2019 Protractor
ER1243,
ER1530,
ER213,
ER2447,
ER2742,
ER2743,
ER4481,
ER4622,
ER5920,
ER6584,
ER6703,
Patent Priority Assignee Title
7204030, Jul 01 2005 Laser tool
20090064516,
D335634, Jan 24 1991 TECHTRONIC INDUSTRIES CO. LTD. Inclination measuring instrument
D562709, Mar 20 2007 Credo Technology Corporation Digital protractor
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