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. 03, 2020
Filed:
Mar. 24, 2015
Koninklijke Philips N.v., Eindhoven, NL;
Evan Dak Wah Dengler, Seattle, WA (US);
Gregory Russ Goddard, Kenmore, WA (US);
Heidi Rose, Bothell, WA (US);
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
A brush head having a distal end, including: an elastomeric matrix including a first surface, and 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 with a central longitudinal axis, and an exterior wall. The interior wall of at least a first retention ring is generally circular in shape; the interior wall of at least a second retention ring is generally non-circular in shape; the exterior wall is generally non-circular in shape; and at least one of the interior wall or the exterior wall includes a taper. The brush head can also include a plurality of bristle tufts, each of which is inserted into one of the plurality of retaining rings.