The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2024
Filed:
Jul. 23, 2018
China Tobacco Hubei Industrial Corporation Limited, Wuhan, CN;
Huachen Liu, Wuhan, CN;
Yikun Chen, Wuhan, CN;
Long Huang, Wuhan, CN;
Welchang Ke, Wuhan, CN;
Chenghao Luo, Wuhan, CN;
Abstract
The present disclosure provides an electric heating device including: a protective cover provided with an inner protrusions and an outer protrusions of the protective cover; a heating cavity, where the bottom of the heating cavity adopts a closing structure that is gradually narrowed, and includes an outer wall and an inner wall of the heating cavity, where the heating cavity outer wall is provided with a protrusions on the heating cavity outer wall, where the heating cavity inner wall is provided with a protrusions on the heating cavity inner wall; and a heating means located in the heating cavity, where the inner protrusions on the heating cavity outer wall are snap-fitted with the outer protrusions of the protective cover, and where the outer protrusions on the heating cavity inner wall are snap-fitted with the inner protrusions of the protective cover.