Patents by Inventor Henry E. Askew

Henry E. Askew 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).

  • Patent number: 4406569
    Abstract: A toggle nut which is to be used in fastening objects to a blind partition, door, or wall.The toggle nut is a short, U-shaped channel with neither the inner width nor the depth being of greater dimension than the diameter of a threaded member which the channel is to receive. An elongated triangular aperture is located centrally in the base of the channel, with the long point of the aperture pointing toward an extension of the base. This extension abruptly turns up and back at a 180 degree semi-circular angle, terminating across the aperture. The terminal end of the base extension has a shallow semi-circular indentation.The open edges of the channel, along the length of the sides, are depressed slightly below points at the four corners of the sides. These points are designed to dig into the inner surface of the partition on which the toggle nut is being used.The tip of a threaded member is inserted through the aperture, under the clip, and is aligned in the channel.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: September 27, 1983
    Inventor: Henry E. Askew
  • Patent number: 4268965
    Abstract: A hand tool for cleaning or chipping away matter from a rigid surface. The tool has a handle of suitable material and a metal head. There is a set of three blades on each end of the head and the blades are parallel to the length of the handle. Each set of blades is staggered and comprise a long blade, a medium blade and a short blade. Each set of blades is designed to strike a surface at an angle to provide maximum effect with all three blades striking simultaneously. The tool will strike three times as much area as would a single blade. The double set of blades are provided so the tool can be used effectively by a right handed or a left handed person. Further the double set of blades permit the handle to be removed and inserted into the opposite side of the head, thus the life of the tool may be doubled.
    Type: Grant
    Filed: February 27, 1980
    Date of Patent: May 26, 1981
    Inventor: Henry E. Askew