Reaction tube
Latest HITACHI KOKUSAI ELECTRIC INC. Patents:
The dashed-dot-dashed lines represent the boundary lines of the claimed design.
The broken lines shown in the drawings represent portions of the reaction tube that form no part of the claimed design.
Claims
We claim the ornamental design for a reaction tube, as shown (and described).
Type: Grant
Filed: Aug 19, 2015
Date of Patent: May 16, 2017
Assignee: HITACHI KOKUSAI ELECTRIC INC. (Tokyo)
Inventors: Akihiro Osaka (Toyama), Hideto Yamaguchi (Toyama), Motoya Takewaki (Toyama)
Primary Examiner: Antoine D Davis
Application Number: 29/536,780