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:
Apr. 24, 2001
Filed:
Aug. 25, 1999
Michael Worden, Valrico, FL (US);
Curt J. Schulze, Lakeland, FL (US);
Jon Brigner, Lutz, FL (US);
Jack P. Christen, Wesley Chapel, FL (US);
Pullman-Holt Corporation, Tampa, FL (US);
Abstract
A vacuum cleaner includes a tank assembly having an open end, a cap assembly removably connected to and generally closing off the open end, an inlet assembly disposed on one of the tank and cap assemblies, an exit opening disposed on one of the tank and cap assemblies, a vacuum source connected to one of the tank and cap assemblies for drawing process air through the inlet assembly, a filter assembly disposed between the inlet assembly and the exit opening, the filter assembly comprising a filter, and a filter bag assembly covering at least part of the filter, wherein the filter bag assembly comprises a filter bag and a drain tube connected to the filter bag. Preferably, the drain tube is integrally built into the filter bag.