Power handle for hydraulic toothbrush-spray appliance
Patent 4146020 Issued on March 27, 1979. Estimated Expiration Date: 
June 29, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 29, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3536065 3631556 3771186 3878577 InventorsAssigneeApplicationNo. 05/811906 filed on 06/29/1977US Classes:601/96, Fluid drive means15/22.1, Handle mount601/139, Gum massager601/160, Fluid current propelled onto user601/162Dental (e.g., Waterpick@)ExaminersPrimary: Trapp, Lawrence W.Attorney, Agent or FirmInternational ClassesA61C 17/02 (20060101)A61C 17/00 (20060101) A61C 17/36 (20060101) A61C 17/16 (20060101) A61H 13/00 (20060101) A61H 9/00 (20060101) F15B 15/00 (20060101) F03C 1/00 (20060101) F03C 1/26 (20060101) F15B 15/14 (20060101) F15B 15/12 (20060101) Foreign Application Priority Data1976-07-09 CHAbstractA hand-held device for body care, in particular for tooth care and mouth care, which comprises a device casing serving as grip member, a hydraulic piston motor, an instrument holder alternatingly drivable by the motor, a liquid duct connectable to an external liquid pump, for feeding the hydraulic piston motor, and at least one adjustable valve for energizing and stopping the hydraulic motor. The device is adapted for use with treatment instruments which can be attached to the instrument holder in an interchangeable manner, in particular tooth brushes or spraying nozzles. | |
