Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
J. Vern Cunningham0
Date of Patent
March 10, 2020
Patent Application Number
15621607
Date Filed
June 13, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A central vacuum cleaning system including a receptacle for receiving dirt; conduits terminating in valves to which a flexible hose may be attached; a motor for generating airflow through the conduits to the receptacle; a motor control circuit controlling power to the motor; and a remote module receiving, through a communications medium from the motor control circuit, signals indicating an operating condition of the central vacuum cleaning system.
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