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. 24, 1978
Filed:
Apr. 23, 1976
Applicant:
Inventors:
Robert C Williams, Smithfield, NC (US);
William R Kimball, Smithfield, NC (US);
Assignee:
U.S. Floor Systems, Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15321 ; 15382 ;
Abstract
A liquid application and vacuum pick up cleaning apparatus wherein more thorough cleaning is facilitated by subjection of liquid on a surface being cleaned to agitation at ultrasonic frequencies for causing cavitation of the liquid.