Electronic blackboard
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Description
1. Electronic blackboard
The broken lines indicate portions of the article that 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
| D635189 | March 29, 2011 | Bolt |
| D669534 | October 23, 2012 | Nakashima |
| D672817 | December 18, 2012 | Butmir |
| D705356 | May 20, 2014 | Kang |
| D755292 | May 3, 2016 | Sirotich |
| D762772 | August 2, 2016 | Tsuruoka |
| D773422 | December 6, 2016 | Han |
| D807312 | January 9, 2018 | Jeong |
| D809600 | February 6, 2018 | Anderson |
| D831111 | October 16, 2018 | Kang |
| D832918 | November 6, 2018 | Kang |
| D894276 | August 25, 2020 | Knapp |
| D894277 | August 25, 2020 | Lee |
| D911441 | February 23, 2021 | Pereira |
| D914735 | March 30, 2021 | Hwang |
| D914736 | March 30, 2021 | Jung |
| D914737 | March 30, 2021 | Hwang |
| 20080151314 | June 26, 2008 | Nishiie |
Patent History
Patent number: D938519
Type: Grant
Filed: Mar 23, 2020
Date of Patent: Dec 14, 2021
Assignee: LG ELECTRONICS INC. (Seoul)
Inventors: Hyeyoung Hong (Seoul), Yongho Lee (Seoul), Jiyeon Lee (Seoul), Joe Hyun (Seoul)
Primary Examiner: Khawaja Anwar
Application Number: 35/510,404
Type: Grant
Filed: Mar 23, 2020
Date of Patent: Dec 14, 2021
Assignee: LG ELECTRONICS INC. (Seoul)
Inventors: Hyeyoung Hong (Seoul), Yongho Lee (Seoul), Jiyeon Lee (Seoul), Joe Hyun (Seoul)
Primary Examiner: Khawaja Anwar
Application Number: 35/510,404
Classifications
Current U.S. Class:
D19/113
