Patents by Inventor Margarethe M. Murray

Margarethe M. Murray 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).

  • Custom frame assembly
    Patent number: 4023293
    Abstract: A picture frame comprised of members to be joined at their 45.degree. mitred ends into angular relation. Fastening means provided for the assembly are longitudinally extending passageways on one side of the frame members of triangular cross sectional construction and a plurality of interlock keys consisting of 2 legs joined at right angles being engaged with the passageways of adjacent frame members at their intersections.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: May 17, 1977
    Inventor: Margarethe M. Murray
  • Picture frame
    Patent number: 3990168
    Abstract: A picture frame comprised of parts for distribution in kits in which the individual frame members may be precut to size or uncut for making frames of various sizes. The individual frame members have channels on one side thereof which are engageable by resilient securing means to hold the frame members together. Wedge means are also provided to hold pictures of various thicknesses in the assembled frames.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: November 9, 1976
    Inventor: Margarethe M. Murray