Patent Assignment
Reel/Frame 057615/0927
Assignment of Assignor's Interest
Recorded: 2021-09-27
Pages: 3
Assignor
BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
Executed: 2019-08-16
Assignee
BEIJING YOUSHAN INFORMATION TECHNOLOGY CO., LTD.
ROOM 203, 2/F, BUILDING 34, NO. 8 DONGBEIWANG WEST ROAD, HAIDIAN DISTRICT, BEIJING, CHINA
Covered Property
(1)
Systems and Methods for Controlling an Intelligent Lock
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 27, 2021
From: DU, MUGUO
To: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
Reel/Frame 057615/0912 →
Change of Name
Sep 27, 2021
From: BEIJING YOUSHAN INFORMATION TECHNOLOGY CO., LTD.
To: BEIJING QISHENG SCIENCE AND TECHNOLOGY CO., LTD.
Reel/Frame 057643/0330 →