Patents by Inventor Opal Dunigan

Opal Dunigan 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: 4104986
    Abstract: A bird cage of triangular configuration for positioning in the corner of a room or the like constructed of spaced, parallel, inclined wires extending between an imperforate bottom and an imperforate top with a removable central partition or floor being disposed intermediate the top and bottom to enable the cage to be converted from a two compartment cage to a single compartment cage. A transparent, plastic shield is provided on the front of the cage covering at least the upper compartment thereof to protect the bird from cold air and to protect the bird from germs such as may be discharged by humans in adjacent relation to the cage. The front of the cage is of arcuate configuration with a gate being provided to enable ingress and egress of the bird and one side wall of the cage is openable to facilitate cleaning of the cage and also facilitate access to the interior thereof.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: August 8, 1978
    Inventor: Opal Dunigan