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:
Feb. 25, 2020
Filed:
Mar. 24, 2015
Koninklijke Philips N.v., Eindhoven, NL;
Evan Dak Wah Dengler, Seattle, WA (US);
Gregory Russ Goddard, Kenmore, WA (US);
Eric G. Halsne, Kenmore, WA (US);
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
A brush head (), including: an elastomeric matrix () including a first surface (); a plurality of retention rings () disposed in the elastomeric matrix, each of which includes a first end (), a second end () positioned closer to the first surface of the elastomeric matrix than the first end, an interior wall () forming an interior space () with a central longitudinal axis (), and an exterior wall (). At least one of the interior wall and the exterior wall of at least a first retention ring of the plurality of retention rings () includes a taper (). A plurality of bristle tufts (), each of which comprises a plurality of bristle strands, having a proximal end () and a free end (), is retained at its proximal end within the interior space of one of the plurality of retention rings.