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. 20, 2001
Filed:
Sep. 10, 1998
Applicant:
Inventors:
Thomas Hassell, Kirkland, WA (US);
Stephen M. Meginness, III, Seattle, WA (US);
James C. McInnes, Seattle, WA (US);
Assignee:
Optiva Corporation, Snoqualmie, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A46B 9/04 ; A61C 1/722 ;
U.S. Cl.
CPC ...
A46B 9/04 ; A61C 1/722 ;
Abstract
A brushhead for an acoustic powered toothbrush having a particular bristle configuration which includes a plurality of bristle portions arranged in four columns and eight rows, wherein the distal end two adjacent rows and the proximal end two adjacent rows both have longer bristles than the remaining bristle portions except for an intermediate row of bristle portions which are slightly longer than the longer bristle portions. The distal, intermediate and proximal bristle portions all have pointed bristle portion tips.