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:
Nov. 19, 1991
Filed:
Jun. 14, 1990
Charles Z Krasznai, Trumbull, CT (US);
Richard B Kosten, West Haven, CT (US);
Black & Decker Inc., Newark, DE (US);
Abstract
The present invention is a filter assembly for a vacuum cleaner. The vacuum cleaner includes a motor, a housing enclosing the motor, and a fan driven by the motor for producing a vacuum. A canister is removably attached to the front end of the housing and has an intake nozzle for the reception of foreign matter, liquid and air drawn into the canister in response to the vacuum developed by the fan. The assembly includes a filter for filtering foreign matter from the air entering the canister. The asssembly also includes a filter housing for housing the filter. The canister includes an area of thinner material with a smoother texture than the rest of the canister to provide a generally transparent window for visually determining the amount of foreign matter within the canister.