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:
Aug. 09, 1983
Filed:
Sep. 11, 1981
Applicant:
Inventor:
Martin E Harbeck, Anderson, SC (US);
Assignee:
The Singer Company, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15321 ; 15339 ; 219322 ; 219331 ;
Abstract
Home or residential cleaning apparatus of the hot water or steam extraction type comprising a hot solution tank, a pump for pumping the hot cleaning solution to an applicator nozzle, a wet pick-up vacuum for extracting soiled cleaning solution, an electrical resistance heater of relatively low wattage at the bottom of the solution tank, a thermostat thermally coupled to the heater in series electrical connection therewith set to open at a temperature slightly above the boiling point of the cleaning solution to function as a safety device and also in series with the solution pump, and a signal device provided in parallel with the thermostat.