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. 16, 1978
Filed:
May. 24, 1976
Applicant:
Inventors:
John M Cole, Sioux Falls, SD (US);
Ruth E Cole, Sioux Falls, SD (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01C / ; A01C / ; B05B / ;
U.S. Cl.
CPC ...
222193 ; 239654 ; 239154 ;
Abstract
A portable manually operated domestic-type duster having openings admitting air from behind into the side of its discharge flow adjacent the blower discharge and behind the discharge of the powder chamber to produce Venturi-type mixing action, and also having cooperative metering means in the form of a screen and a cylindrically-shaped wire agitator disposed across the discharge opening of the powder chamber, both the metering means and the blower being driven by single crank mechanism.