Patents by Inventor Louis P. Chalfant

Louis P. Chalfant has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Adaptable abrasive cutting assembly for sharpener
    Patent number: 9440325
    Abstract: An electric sharpener having a pair of abrasive wheel assemblies including energy absorbing hubs mounted a powered drive shaft and further integral flexible radially extending arms affixed to respective outer abrasive rings. A pair of disk abrasives assemblies are also affixed to the powered rotatable shaft and include a pair of flexible metal disks operatively connected to a hub attached to the rotatable shaft.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: September 13, 2016
    Assignee: Smith's Consumer Products, Inc.
    Inventors: Richard S Smith, Louis P. Chalfant
  • Adaptable Abrasive Cutting Assembly for Sharpener
    Publication number: 20150147945
    Abstract: An electric sharpener having a pair of abrasive wheel assemblies including energy absorbing hubs mounted a powered drive shaft and further integral flexible radially extending arms affixed to respective outer abrasive rings. A pair of disk abrasives assemblies are also affixed to the powered rotatable shaft and include a pair of flexible metal disks operatively connected to a hub attached to the rotatable shaft.
    Type: Application
    Filed: November 25, 2013
    Publication date: May 28, 2015
    Inventors: Richard S. Smith, Louis P. Chalfant