Electrical tobacco heating device
Description
The broken lines in the drawings depict portions of the electrical tobacco heating device that form no part of the claimed design.
Claims
The ornamental design for an electrical tobacco heating device, as shown and described.
Referenced Cited
Patent History
Patent number: D919171
Type: Grant
Filed: Dec 20, 2018
Date of Patent: May 11, 2021
Inventors: Yikun Chen (Hubei), Huachen Liu (Hubei), Dan Li (Hubei)
Primary Examiner: Marissa J Cash
Assistant Examiner: Rebecca Tsehaye
Application Number: 29/674,184
Type: Grant
Filed: Dec 20, 2018
Date of Patent: May 11, 2021
Inventors: Yikun Chen (Hubei), Huachen Liu (Hubei), Dan Li (Hubei)
Primary Examiner: Marissa J Cash
Assistant Examiner: Rebecca Tsehaye
Application Number: 29/674,184
Classifications