Patents by Inventor Thurman L. Maxwell

Thurman L. Maxwell 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: 4605097
    Abstract: A portable tree stand comprised of two main runners (10) attached to four extension arms (11) with bolts (12) and fastened by wing nuts (13). The main runners (10) have a slot (21) to receive three platform boards (14). The extension arms (11) are secured to the diverging tree branches (15,16,17) with rope (18).Installation and access is accomplished by securing the rungs (19) to the diverging tree branches (15,17) with rope (18).The portable tree stand compacts into a convenient package by removing the outermost bolt (12) on each end of the main runner (10) and folding the extension arms (11) inward.
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: August 12, 1986
    Inventor: Thurman L. Maxwell