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:
Jul. 20, 1993
Filed:
Aug. 19, 1991
Applicant:
Inventors:
Klaus Stein, Velbert, DE;
Heinz Kaulig, Velbert, DE;
Assignee:
Stein & Co. GmbH, Velbert, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15351 ;
Abstract
A brush type vacuum cleaner having a filter housing and a suction, or brush-suction, head. The filter housing is pivotally connected to the brush-suction head by a rigid guide element or rigid connector that includes two air channels for channelling air between the filter housing and the brush-suction head. The air channels include openings for connection to the suction blower of the vacuum cleaner and the vacuum mouthpiece of the brush-suction head.
Stein, Klaus. (1993). Brush type vacuum cleaner (U.S. Patent No. 5228169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5228169
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile