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:
Jul. 01, 1980
Filed:
Jun. 02, 1978
Applicant:
Inventor:
Harold W Schaefer, Bloomington, IL (US);
Assignee:
National Union Electric Corporation, Greenwich, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A46B / ; A47L / ;
U.S. Cl.
CPC ...
15182 ; 15366 ; 15383 ;
Abstract
A brush-beater assembly for a vacuum cleaner comprises a hollow cylinder having outwardly extending projections formed in the material thereof, and slots diametrically opposed to the projections for receiving brush assemblies. The projections may be formed pneumatically or hydraulically in the cylinder, during the production thereof. An additional projection is provided in front of the brush assemblies.
Schaefer, Harold. (1980). Brush-beater for a vacuum cleaner and method for making the same (U.S. Patent No. 4209873). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4209873
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile