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:
Feb. 22, 1994
Filed:
Apr. 09, 1992
Applicant:
Inventor:
Thomas E Dentzau, Springfield, MA (US);
Assignee:
Waldorf Corporation, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15303 ; 15345 ; 406 90 ;
Abstract
A waste collecting/removal apparatus having a bin with a forward waste outlet opening, a rearward air flow inlet, a plurality of adjustable inclined louvres spaced from the bottom of the bin and an air flow plenum below the louvres to cause air flow between the louvres to move the waste material in the bin upwardly and forwardly toward the outlet opening.