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. 25, 2000
Filed:
Jun. 03, 1998
Applicant:
Inventors:
Frederick D Thompson, Maryland Heights, MO (US);
Steven R Brandt, Everett, WA (US);
Eric K Jacobson, Langley, WA (US);
Assignee:
Carpet Co-op of America Association, Maryland Heights, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62C / ;
U.S. Cl.
CPC ...
239304 ; 239305 ; 134 21 ; 134 36 ; 134 941 ; 15320 ;
Abstract
A system for dispensing an alkaline liquid cleaner solution and an acidic liquid rinse solution via a rotating head on a carpet cleaning machine, wherein the flow of the liquid cleaner solution and the liquid rinse solution are metered such that the rinse solution neutralizes the alkaline cleaner solution and leaves the carpet chemically neutral and residue-free.