Patent ID: 9167949
Filing Date: 2015-10-27
Classification: A47L

Abstract:
1. A method of sonically cleaning silverware, comprising: providing a housing having a washing chamber, a water reservoir, a transducer, a basket, a pump, a sump, and a microprocessor; loading silverware into the basket user end down; pouring water in the water reservoir; activating the microprocessor having a data storage device containing a program that directs the microprocessor to operate the transducer and pump in a three stage operation having a first stage, a second stage, and a third stage; indicating to a user that the cycle has finished; wherein the first stage includes, filling the washing chamber with water to a full level, activating the transducer to sonically bombard the silverware for a predetermined duration once the washing chamber is full, activating the pump at an end or the predetermined mind duration to overflow the washing chamber with water from the reservoir, and activating the pump and sump, once the transducer has deactivated, for a predetermined duration to drain water and waste material from the washing chamber; wherein the second stage includes, activating the pump to fill the washing chamber to about two-thirds of the full level with water from the reservoir, activating the transducer, once the washing chamber has received the water from the water reservoir, to sonically bombard the silverware for a predetermined duration, activating the pump, once the transducer has deactivated, for a predetermined duration to drain water and waste material from the washing chamber; and wherein the third stage includes, activating the pump to fill the washing chamber to about one-third of the full level with water from the reservoir, activating the transducers, once the washing chamber has received the water from the water reservoir, to sonically bombard the silverware for a predetermined duration, activating the pump, once the transducer has deactivated, for a predetermined duration to drain the washing chamber of water and waste material.