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. 10, 1984
Filed:
Jan. 11, 1982
Applicant:
Inventor:
Ludger Helmes, Velbert, DE;
Assignee:
Vorwerk & Co. Interholding GmbH, Wuppertal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
1541 / ; 15401 ; 15420 ;
Abstract
A vacuum cleaner nozzle has a suction passage with a central suction opening, at least one rear support part arranged rearwardly of the central suction opening with an intermediate passage between the suction passage and the rear support part, a connecting suction member communicating with the suction passage, and at least one front support part arranged forwardly of the suction passage and having a surface area corresponding to that of the central suction opening.