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:
Mar. 21, 2000
Filed:
Jun. 30, 1998
Applicant:
Inventor:
Thomas S Payne, Union City, CA (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
A47L / ; B08B / ;
U.S. Cl.
CPC ...
134 21 ; 15331 ; 15319 ; 15416 ;
Abstract
A vacuum cleaner (10) for cleaning edges and spots comprising a cleaning head (12) including a motor and fan assembly (14), a valve assembly (31), and a two-duct system (16) that includes a central duct (22) leading to a main inlet (29) and a pair of side ducts (24, 26) leading to a pair of edge cleaning fittings (28). Valve assembly (31) includes a valve mechanism that is selectively positionable to direct suction from one of the central duct and the side ducts, in order to perform regular vacuuming or edge or spot cleaning.