Key device
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Description
Claims
The ornamental design for a key device, as shown and described.
Referenced Cited
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Patent History
Patent number: D877090
Type: Grant
Filed: Sep 6, 2018
Date of Patent: Mar 3, 2020
Assignee: Feitian Technologies Co., Ltd. (Beijing)
Inventors: Zhou Lu (Beijing), Huazhang Yu (Beijing)
Primary Examiner: Selina Sikder
Application Number: 29/662,508
Type: Grant
Filed: Sep 6, 2018
Date of Patent: Mar 3, 2020
Assignee: Feitian Technologies Co., Ltd. (Beijing)
Inventors: Zhou Lu (Beijing), Huazhang Yu (Beijing)
Primary Examiner: Selina Sikder
Application Number: 29/662,508
Classifications
Current U.S. Class:
Hand Held Or Remote Type (D13/168)