Tube cleaning device
Patent 5493748 Issued on February 27, 1996. Estimated Expiration Date: 
April 6, 2015. 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.
April 6, 2015. 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 2303824 Tube abrading tool Portable rotary copper pipe cleaner Patent #: 5307534 InventorApplicationNo. 417932 filed on 04/06/1995US Classes:15/104.04, Outside15/88, Wire, rod, and tube cleaners15/104.05, Inside15/104.095, Power source outside tube end15/106BrushExaminersPrimary: Roberts, Edward L.Attorney, Agent or FirmForeign Patent References
International ClassesB08B 009/02A46B 013/02 AbstractA device for cleaning either the outer or the inner surface of a pipe end includes a spindle having a tubular wire brush attached to one end thereof, and, an annular wire brush that is adjustable axially of said spindle between a retracted and an advanced position. | |
