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:
Oct. 12, 1982
Filed:
May. 27, 1980
Applicant:
Inventors:
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
4152 / ; 415201 ;
Abstract
An exhaust fan with a motor for driving rotatable fan blades, a case for mounting and surrounding a motor supporting frame, and a face cover detachably mounted on the case, the cover and case having portions for engagement with each other for limiting movement of the cover to a predetermined distance by engaging each other when the cover becomes disengaged from the case.
Hiraoka, Shunji. (1982). Exhaust fan with removable face cover (U.S. Patent No. 4353680). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4353680
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile