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. 06, 1990
Filed:
Jan. 09, 1989
Charles Z Krasznai, Trumbull, CT (US);
Richard B Kosten, West Haven, CT (US);
Black & Decker, Inc., Newark, DE (US);
Abstract
A 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 is response to the vacuum developed by the fan. A filter assembly includes a filter for filtering foreign matter from the air entering the canister. The assembly also includes a filter housing for housing the filter. The assembly further includes means for removably and positively securing the filter to the filter housing to allow the filter and the filter housing to form an integral unit.