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:
Mar. 08, 1988
Filed:
Jan. 07, 1987
Applicant:
Inventors:
David W Berg, Plymouth, MN (US);
Steven V Feeny, Plymouth, MN (US);
Assignee:
Tennant Company, Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
A47L / ;
U.S. Cl.
CPC ...
15 4 / ; 15 87 ; 15340 ; 15359 ;
Abstract
This is concerned with a disc brush suspension or arrangement for a scrubber or sweeper or the like. The arrangement uses a flexible bellows which may be of rubber or a suitable rubber substitute which functions as the total or primary suspension for the disc brush and its drive motor.
Berg, David. (1988). Disc brush suspension for a floor maintenance machine (U.S. Patent No. 4729141). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4729141
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile