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:
Jun. 14, 2005
Filed:
Dec. 15, 1999
Applicants:
Hiroyasu Koizumi, Tokyo, JP;
Hiroshi Chikuma, Tokyo, JP;
Inventors:
Hiroyasu Koizumi, Tokyo, JP;
Hiroshi Chikuma, Tokyo, JP;
Assignee:
Calsonic Kansei Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F009/02 ;
U.S. Cl.
CPC ...
Abstract
Reinforcement holes and tube holes are formed so as to be of the same size, and the interval between the reinforcement hole and the tube hole adjacent to the reinforcement hole is made equal to the interval between the adjacent tube holes.