Stand for writing boards
Description
The broken line showing of two small writing boards, such as blackboards, in
Claims
I claim the ornamental design for a stand for writing boards, as shown and described.
Referenced Cited
U.S. Patent Documents
D66852 | March 1925 | Guinn |
1659509 | February 1928 | Ashbrook |
D81349 | June 1930 | Ritchie |
D342282 | December 14, 1993 | Kennedy |
5472098 | December 5, 1995 | Ho |
5516072 | May 14, 1996 | Shinno |
D416046 | November 2, 1999 | Ausejo |
D482904 | December 2, 2003 | Slaymaker |
D511478 | November 15, 2005 | Petree, Jr. |
D569433 | May 20, 2008 | Gerules |
D590404 | April 14, 2009 | Kim |
D661309 | June 5, 2012 | Murrer |
D674395 | January 15, 2013 | Haarburger |
D690308 | September 24, 2013 | McCoy |
D699246 | February 11, 2014 | Ringlein |
D705722 | May 27, 2014 | Gengler |
D714297 | September 30, 2014 | Poulsen |
D718742 | December 2, 2014 | Warner |
D748616 | February 2, 2016 | Noble |
D754459 | April 26, 2016 | Wilton |
D771615 | November 15, 2016 | Pignotti |
D781841 | March 21, 2017 | Salathe |
D789100 | June 13, 2017 | Gorman |
D837296 | January 1, 2019 | Martin |
D855106 | July 30, 2019 | Morita |
D856320 | August 13, 2019 | Li |
Patent History
Patent number: D872177
Type: Grant
Filed: Jan 2, 2018
Date of Patent: Jan 7, 2020
Assignee: Chengdu Qingfeng Interaction Technology Co., Ltd (Chengdu, Sichuan)
Inventor: Jie Luo (Sichuan)
Primary Examiner: Deanna L Pratt
Application Number: 29/631,656
Type: Grant
Filed: Jan 2, 2018
Date of Patent: Jan 7, 2020
Assignee: Chengdu Qingfeng Interaction Technology Co., Ltd (Chengdu, Sichuan)
Inventor: Jie Luo (Sichuan)
Primary Examiner: Deanna L Pratt
Application Number: 29/631,656
Classifications
Current U.S. Class:
D19/113;
D6/300