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:
May. 17, 1988
Filed:
May. 13, 1986
Applicant:
Inventor:
Gerald C Calleson, Madison, CT (US);
Assignee:
The Allen Group, Inc., New Haven, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ; B21D / ; B23K / ; B21K / ;
U.S. Cl.
CPC ...
228175 ; 2281732 ; 2281734 ; 228183 ; 2915 / ; 2915 / ; 291574 ; 165 79 ; 165173 ;
Abstract
A new and improved automotive heat exchanger and a method of assembling tubes in a header of a heat exchanger comprising, shaping the ends of non-circular cross section tubes into a substantially circular cross section, forming collared openings of substantially circular cross section in a header wall, inserting the tube ends into the openings, welding the tube ends to the collars, and bonding the tubes to the header wall.
Calleson, Gerald. (1988). Method of making a heat exchanger (U.S. Patent No. 4744505). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4744505
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile