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:
Apr. 13, 1999
Filed:
Sep. 26, 1997
Joseph F D'Costa, New Hope, MN (US);
Tennant Company, Minneapolis, MN (US);
Abstract
A sweeping machine has a body, wheels supporting the body, and a sweeping brush which is carried by the body and driven by a motor mounted on the sweeping machine. There is a debris hopper positioned adjacent the brush to receive debris moved by the brush toward the hopper. The hopper has a bottom, a front wall, and side walls, and there is a shelf in the hopper spaced above the bottom and attached to at least one of the walls. Debris moved by the brush toward the hopper is deposited on both the hopper bottom and the hopper shelf.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile