Electronic blackboard

- RICOH COMPANY, LTD.
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Description

FIG. 1 is a front elevational view of an electronic blackboard according to my design;

FIG. 2 is a back 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 elevational view thereof;

FIG. 6 is a bottom elevational view thereof;

FIG. 7 is a front, bottom perspective view thereof; and,

FIG. 8 is a back, top perspective view thereof.

The broken lines in the figures represent unclaimed subject matter and form no part of the claimed design.

Claims

The ornamental design for an electronic blackboard, as shown and described.

Referenced Cited
U.S. Patent Documents
D417659 December 14, 1999 Takemasa
D424068 May 2, 2000 Takemasa
D496034 September 14, 2004 Guerrera
D498217 November 9, 2004 Kim
D505403 May 24, 2005 Kita
D510919 October 25, 2005 Kubota
D540278 April 10, 2007 Ju
D540755 April 17, 2007 Asanuma
D543164 May 22, 2007 Yang
D556707 December 4, 2007 Fujii
D556708 December 4, 2007 Takami
D589510 March 31, 2009 Wada
D598911 August 25, 2009 Wang
D606071 December 15, 2009 Wu
D619135 July 6, 2010 Lin
D620007 July 20, 2010 Jeon
D620938 August 3, 2010 Shih
D621833 August 17, 2010 Chang
D627394 November 16, 2010 Nakayama
D627824 November 23, 2010 Nakayama
D634320 March 15, 2011 Bliven
D642081 July 26, 2011 Kashimoto
D642561 August 2, 2011 Tang
D652403 January 17, 2012 Fahlgren
D672329 December 11, 2012 Fahlgren
D673926 January 8, 2013 Fahlgren
D698351 January 28, 2014 Jasinski
D744990 December 8, 2015 Lee
D758334 June 7, 2016 Du
D769240 October 18, 2016 Yu
D773455 December 6, 2016 Lee
Patent History
Patent number: D797848
Type: Grant
Filed: Feb 29, 2016
Date of Patent: Sep 19, 2017
Assignee: RICOH COMPANY, LTD. (Tokyo)
Inventor: Naoto Tsuruoka (Ohta-ku)
Primary Examiner: Elizabeth Albert
Application Number: 29/556,267
Classifications
Current U.S. Class: D19/113