Patents by Inventor Philip B. Silcott

Philip B. Silcott 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: 4286739
    Abstract: A back pack frame that is convertible to a chair while still providing ready access to the pack supported by the frame, and is further convertible to a cot. A pack supporting structure with shoulder straps is mounted on a main support structure for linear movement along the main support structure, and so that it can be pivoted with respect to the main support structure to form a chair back, and further pivoted to form the head portion of a cot. User's legs support portions are telescopically received by the main support structure to provide leg supports for the chair or cot. Flexible fabric is mounted by rings to a bar of the main support structure, and is affixed to the pack supporting structure, so that upon movement of the pack supporting structure to the chair or cot orientation the fabric is drawn taut to form the seat portion of the chair, or middle portion of the cot.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: September 1, 1981
    Assignee: Potomac Applied Mechanics
    Inventors: Philip B. Silcott, James H. Stubbings