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. 31, 2009
Filed:
Feb. 06, 2006
Applicant:
Alan T. Pullins, Richmond, KY (US);
Inventor:
Alan T. Pullins, Richmond, KY (US);
Assignee:
Panasonic Corporation of North America, Secaucus, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vacuum cleaner includes a housing that carries a suction inlet, a dirt collection vessel, a main filter compartment and a suction generator. The main filter is received in the main filter compartment. An airflow pathway connects the suction inlet, the dirt collection vessel, the main filter compartment and the suction generator. A dirt detection sensor is provided in the airflow pathway between the dirt collection vessel and the main filter compartment.