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:
Sep. 22, 1992
Filed:
Oct. 17, 1990
Applicant:
Inventors:
John J Jailor, Rockford, MI (US);
Henry J Rosendall, Grand Rapids, MI (US);
Assignee:
Bissell Inc., Grand Rapids, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
A47L / ; A47L / ;
U.S. Cl.
CPC ...
150411 ; 15 91 ; 1523014 ; 1523016 ; 291211 ; 291215 ; 29124 ;
Abstract
The specification discloses an impeller for cleaning devices. A plurality of impeller segments are slipped over a twisted flat wire to provide the impeller. Each of the impeller segments preferably includes a plurality of paddles, and a central section with a non-cylindrical opening for receiving said twisted flat wire.