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:
Sep. 03, 2019
Filed:
Sep. 03, 2015
Applicant:
Japan Tobacco Inc., Tokyo, JP;
Inventors:
Takeshi Akiyama, Tokyo, JP;
Atsuro Yamada, Tokyo, JP;
Manabu Takeuchi, Tokyo, JP;
Manabu Yamada, Tokyo, JP;
Assignee:
JAPAN TOBACCO INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24F 47/00 (2006.01); A24B 15/16 (2006.01);
U.S. Cl.
CPC ...
A24F 47/006 (2013.01); A24B 15/165 (2013.01);
Abstract
A burning type heat source () has a single longitudinal hollow () extending along the first direction (D). The longitudinal hollow () includes: a first hollow (A) having a first cross section area; and a second hollow (B) having a second cross section area smaller than the first cross section area. The first cross section area of the first hollow (A) is 1.77 mmor more.