US 12,220,035 B2
Hair care appliance with powered attachment
Carmen Tran, London (GB); Molly McGuinness, Brighton, MA (US); Michael Day, London (GB); and Chris Hedges, Hampshire (GB)
Assigned to SharkNinja Operating LLC, Needham, MA (US)
Filed by SharkNinja Operating LLC, Needham, MA (US)
Filed on Apr. 16, 2024, as Appl. No. 18/637,085.
Application 18/637,085 is a continuation of application No. 18/416,526, filed on Jan. 18, 2024.
Claims priority of provisional application 63/480,680, filed on Jan. 19, 2023.
Prior Publication US 2024/0260730 A1, Aug. 8, 2024
Int. Cl. A45D 20/50 (2006.01); A45D 20/12 (2006.01)
CPC A45D 20/50 (2013.01) [A45D 20/122 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A brush accessory, comprising:
a hollow body having first and second regions, the first region having a circular cross-sectional shape and a plurality of bristles thereon, and the second region having a triangular cross-sectional shape and a heater assembly thereon;
an attachment collar at a first end of the hollow body and having an inlet for receiving air flow,
wherein the first region has a circumference of a first arc length and the second region is joined to the first region along a second arc length, and wherein a ratio of the second arc length to the first arc length is 3:20 or greater.