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:
Oct. 15, 1985
Filed:
Nov. 29, 1983
Applicant:
Inventors:
Johannes Liebscher, Nassau, DE;
Rolf G Schulein, Singhofen, DE;
Assignee:
Leifheit AG, Nassau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15 4 / ; 301111 ;
Abstract
Mechanical sweeper with slotlike bearing bores with introduction slits in partition walls and outwardly open wheel recesses in the housing wherein the drive/running wheels are closed externally with a smooth surface and are retained by check plates and retaining pockets on the partition walls.
Liebscher, Johannes. (1985). Mechanical sweeper (U.S. Patent No. 4546512). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4546512
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile