Patents by Inventor Walther Zarges

Walther Zarges 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).

  • Collapsible shelf arrangement
    Patent number: 3949683
    Abstract: A collapsible shelf arrangement with at least two supporting panels or trays and two frame sections pivotable with respect to each other. A locking arrangement is provided for securing the panels or trays against automatic collapse. To collapse the shelf arrangement, one of the supporting panels or trays is lifted, whereas, to set up the shelf, another panel is lifted and positioned to automatically lock the entire arrangement.
    Type: Grant
    Filed: July 12, 1974
    Date of Patent: April 13, 1976
    Assignee: Walther Zarges
    Inventors: Walther Zarges, Frank Zarges
  • Collapsible receptacle
    Patent number: 3941271
    Abstract: An improvement in collapsible receptacles including the provision of respective inwardly and outwardly directed projections on the base frame and sidewalls of the receptacle. The outwardly directed projection of the sidewall overlaps the inwardly directed projection of the base frame to maintain the receptacle in the assembled non-collapsed condition such that a tilting of the sidewalls is necessary to raise the sidewall. The overlapping projection on the sidewall also serves as a water shield for the joint between the frame and sidewalls.
    Type: Grant
    Filed: September 11, 1972
    Date of Patent: March 2, 1976
    Assignee: Walther Zarges
    Inventors: Walther Zarges, Frank Zarges