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:
May. 09, 1978
Filed:
May. 27, 1976
Thomas M Laule, Sparks, NV (US);
R Eugene Blackman, Reno, NV (US);
Parise & Sons, Inc., Reno, NV (US);
Abstract
The specification discloses a hot-water extraction unit of the type commonly referred to as a 'steam cleaner'. The vacuum tank of the unit is vertically divided into substantially separate first, second, third, and fourth volumes by a deflector divider. The vacuum wand communicates with the first volume, the first volume communicates with the second volume by an aperture at the bottom of the deflector divider, the second volume communicates with the third volume by an aperture at the bottom of the deflector divider, the third volume communicates with the fourth volume by an aperture in the deflector divider, and the riser pipe is located in the fourth volume.