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:
Dec. 26, 1989
Filed:
May. 29, 1987
Applicant:
Inventors:
Ludger Helmes, Velbert, DE;
Paul Lienenluke, Sprockhovel, DE;
Assignee:
Vorwerk & Co. Interholding GmbH, Wuppertal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15359 ; 15371 ;
Abstract
A vacuum cleaner nozzle arrangement has a nozzle defining a suction channel arranged across the width of the nozzle with suction edges surrounding the channel. The nozzle is connected to a connecting wand via a conduit segment disposed therebetween and a vacuum cleaner can be attached to the connecting wand. The nozzle is suspended from the nozzle housing by means of a so-called parallel crank drive. The nozzle housing is configured to be driven or pushed upon a surface to be cleaned.
Helmes, Ludger. (1989). Vacuum cleaner nozzle arrangement (U.S. Patent No. 4888850). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4888850
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile