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:
Feb. 04, 1986
Filed:
Oct. 26, 1984
Applicant:
Inventors:
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
4152 / ; 415119 ; 416235 ; 416237 ;
Abstract
A cooling fan for automobiles which is drivable by an electric motor includes a plurality of blades, each having distal and proximal ends inclined at attachment angles larger than an attachment angle at which an intermediate portion of the blade is inclined, thereby reducing noises produced by the cooling fan.
Susa, Sumio. (1986). Cooling fan for automobiles (U.S. Patent No. 4568242). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4568242
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile