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. 29, 1983
Filed:
Sep. 23, 1981
Applicant:
Inventor:
James L O'Rourke, Detroit, MI (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
A46B / ;
U.S. Cl.
CPC ...
15-4 ; 15 23 ; 15DI / ;
Abstract
A tooth-brushing device comprising a brushing unit having a pair of counterrotating shafts, with bristles projecting radially outwardly from each shaft. The bristles are arranged in a series of clusters spaced from one another along the length of each shaft. Preferably, the clusters of bristles are spaced apart a distance approximately the width of a tooth. Some of the bristles may be longer than others, bristles of differing diameter may be used, and special flossing units are also disclosed.