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:
Jul. 07, 1992
Filed:
Jul. 23, 1990
Young C Lee, Songnam, KR;
Goldstar Co., Ltd., , KR;
Abstract
A cleaner head is disclosed which comprises: a cleaning fluid spraying nozzle formed at the center of the bottom of the cleaner head; a leading suction nozzle and a leading brush (or a leading portion of a brush); and a trailing brush (or a trailing portion of the brush) and a trailing suction nozzle. The leading suction nozzle sucks free dirt, and the leading brush (or the leading portion of the brush) performs dry scrubbing for free dirt and adhered solidified dirt. The trailing brush (or the trailing portion of the brush) performs wet scrubbing in cooperation with the sprayed cleaning fluid, and the trailing suction nozzle performs suction for the mixture of the dirt and cleaning fluid. According to the present invention, the cleaning can be done more thoroughly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile