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. 19, 1996
Filed:
Oct. 07, 1994
Applicant:
Inventor:
Alfred T Lau, Hong Kong, HK;
Assignee:
Senson Investments Limited, Hong Kong, HK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15322 ; 15367 ; 15401 ; 15419 ;
Abstract
A cleaning head for use with suction means particularly suitable for cleaning hard, flat and smooth surfaces, such as glass or marble walls. The cleaning head is equipped with attachments for cleansing liquid application, scrubbing, wiping and waste liquid removal in one piece and is normally closed so that no waste liquid inside the head will leak out during quiescent operating condition.
Lau, Alfred. (1996). Cleaning device for hard and flat surfaces (U.S. Patent No. 5499424). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5499424
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile