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:
Jan. 19, 2010
Filed:
Sep. 07, 2005
Ryan T. Dant, Lexington, KY (US);
Donald E. Proffitt, Ii, Richmond, KY (US);
Ryan T. Dant, Lexington, KY (US);
Donald E. Proffitt, II, Richmond, KY (US);
Panasonic Corporation of North America, Secaucus, NJ (US);
Abstract
A vacuum cleaner is provided including a housing having a nozzle assembly with a suction inlet and a canister assembly with a dirt collection vessel receiver. A suction generator is carried on the housing. A dirt collection vessel is received in the receiver. A final filtration compartment is provided on the housing. The final filtration compartment includes an air inlet having a cross sectional surface area A and an air outlet having a cross sectional surface area B where the ratio of B to A is at least 0.8 to 1. The vacuum cleaner also includes a final filter received in the final filtration compartment.