Patents by Inventor Raymond Pfeifer

Raymond Pfeifer 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: 4047777
    Abstract: A knockdown, put-together article of furniture, such as a dresser, cabinet, desk and the like, in which the parts can be packaged and shipped in a knocked-down disassembled condition and readily assembled by the use of U-shaped wire interlocking members. The spaced sides each have adjacent the upper end, oppositely facing horizontal grooves which cooperate with spaced inwardly facing grooves formed in a channel on the underside of a top.A u-shaped interlocking pin is inserted into said cooperating grooves to interlock the top to the sides. The sides have means for slidably supporting a drawer.The sides have a horizontal channel with spaced inwardly facing grooves which cooperate with oppositely positioned horizontal grooves adjacent the sides of the bottom. The last mentioned grooves being interlocked by a U-shaped wire interlocking member to secure the bottom to the sides. The sides, top and bottom have channels for securing a back or rear wall in a locked position.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: September 13, 1977
    Inventors: Raymond Pfeifer, Roger Ringger
  • Patent number: 4012090
    Abstract: A knockdown put-together drawer for use with an article of furniture, which utilizes slidable drawers such as dressers, cabinets, desks and the like. The drawer comprising a pair of spaced sides, a bottom, a back and a front in which the parts are formed with cooperating undercuts or channels and grooves which when interfitted receive an insertable and removable interlocking or connecting U-shaped member which, when inserted, interlocks the interfitting parts to form a rigid drawer. The parts may be shipped and stored in their disasseembled and knockdown condition and readily assembled by inserting the interlocking member.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: March 15, 1977
    Inventors: Raymond Pfeifer, Roger Ringger