The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2012
Filed:
Oct. 02, 2007
Bruce G. Kania, Shepherd, MT (US);
Frank M. Stewart, Bozeman, MT (US);
Bruce G. Kania, Shepherd, MT (US);
Frank M. Stewart, Bozeman, MT (US);
Fountainhead LLC, Shepherd, MT (US);
Abstract
A buoyant walkway or island and its method of manufacture. In a preferred embodiment, the buoyant walkway comprising: an internal frame comprising semi-rigid members that are attached to one another, said internal semi-rigid frame having openings; an internal block disposed in each of said openings, said internal blocks being spaced apart from one another by gaps and forming a top surface and a bottom surface; cured thermoplastic foam disposed in said gaps that attach said internal blocks to said semi-rigid internal frame and to one another; a permeable top layer that is attached to said top surface; and a bottom layer that is attached to said bottom surface.