US 12,127,899 B2
Cleaning appliance
Scott James Mighall, Swindon (GB); Christopher Graham Vincent, Swindon (GB); Johathan George Marsh, Swindon (GB); Sammantha Stephanie Harris, Swindon (GB); Boris Zukina, Bristol (GB); Michael Graham Probert, Bristol (GB); and Christopher Daniel Currer Wilkinson, Swindon (GB)
Assigned to Dyson Technology Limited, Wiltshire (GB)
Filed by Dyson Technology Limited, Wiltshire (GB)
Filed on Feb. 17, 2022, as Appl. No. 17/674,332.
Application 17/674,332 is a continuation of application No. 15/793,337, filed on Oct. 25, 2017, granted, now 11,284,979.
Claims priority of application No. 1618073 (GB), filed on Oct. 26, 2016.
Prior Publication US 2022/0168083 A1, Jun. 2, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61C 17/22 (2006.01); A46B 11/00 (2006.01); A46B 13/04 (2006.01); A46B 15/00 (2006.01); A61C 17/02 (2006.01); A61C 17/28 (2006.01); A61C 17/36 (2006.01)
CPC A61C 17/227 (2013.01) [A46B 11/0062 (2013.01); A46B 13/04 (2013.01); A46B 15/0004 (2013.01); A46B 15/0036 (2013.01); A46B 15/0044 (2013.01); A61C 17/0202 (2013.01); A61C 17/222 (2013.01); A61C 17/28 (2013.01); A61C 17/36 (2013.01); A46B 15/0034 (2013.01); A46B 2200/1066 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A dental cleaning appliance comprising:
a handle;
a fluid reservoir for storing working fluid;
a fluid delivery system for receiving the working fluid from the fluid reservoir and delivering the working fluid to the teeth of a user during use, the fluid delivery system comprising a nozzle for delivering the working fluid to the teeth of the user;
a light source located within the handle and external to the fluid reservoir for illuminating at least part of the fluid reservoir;
a light emitting surface located on an end surface of the handle which faces the fluid reservoir, the light emitting surface emitting light emitted from the light source for illuminating the at least part of the fluid reservoir; and
a control circuit for activating the light source.