Patents by Inventor Heinz Kleinert

Heinz Kleinert 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).

  • Filing device for papers
    Patent number: 4070073
    Abstract: A ring binder device for a file serves to hold documents and to provide a means whereby the file can be suspended spine uppermost between two carrier rails, the device having slidemounted suspender members which can be set, by moving their slide mountings, to protrude beyond the edges of the file ready for resting on the rails, and the slide mountings incorporating locks operative when the suspender members are protruding to prevent the binder opening.
    Type: Grant
    Filed: June 25, 1976
    Date of Patent: January 24, 1978
    Assignee: Robert Krause KG
    Inventors: Karl-Heinz Schudy, Heinz Kleinert
  • Ring binder
    Patent number: 4019823
    Abstract: A ring binder has a ring mechanism on the inside of the binder spine and two boards covering the inside surfaces of the binder covers which are hinged to the spine, the boards forming extensions which extend the covers inwardly close to the rings when the binder is open to provide flat writing supports, and the binder has straps interconnecting the covers and supporting the extensions which extend the covers inwardly.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: April 26, 1977
    Assignee: Robert Krause KG
    Inventors: Heinz Kleinert, Karl-Heinz Schudy
  • Filling device for papers
    Patent number: 3993374
    Abstract: A ring binder device for a file serves to hold documents and to provide a means whereby the file can be suspended spine uppermost between two carrier rails, the device having slide-mounted suspender members which can be set, by moving their slide mountings, to protrude beyond the edges of the file ready for resting on the rails, and the slide mountings incorporating locks operative when the suspender members are protruding to prevent the binder opening.
    Type: Grant
    Filed: February 20, 1975
    Date of Patent: November 23, 1976
    Assignee: Robert Krause KG
    Inventors: Karl-Heinz Schudy, Heinz Kleinert
  • Filing device for papers
    Patent number: 3977799
    Abstract: A file has a pin-type document binding mechanism formed by two co-operating binding elements which can be united to close and lock the binding and so secure documents therein, and the binding has two captive, slideable brackets which can be pulled apart until they protrude from either end of the spine of the file to enable the file to be suspended spine-uppermost between rails of a file suspension system.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: August 31, 1976
    Assignee: Robert Krause KG
    Inventors: Karl-Heinz Schudy, Heinz Kleinert