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:
May. 08, 2001
Filed:
Sep. 24, 1997
Applicant:
Inventors:
Leonard S. Fricke, St. Paul, MN (US);
Carl W. Sims, St. Paul, MN (US);
Assignee:
TecLink International Ltd., St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C 2/00 ;
U.S. Cl.
CPC ...
E04C 2/00 ;
Abstract
A plastic skating surface comprising at least two sheets of plastic welded together. The plurality of welded sheets of plastic form a continuous skating surface, wherein the effects of expansion and contraction due to temperature change is limited to the outer perimeter of the skating surface. An expansion plate overlaps the outer perimeter of the skating surface, thereby defining a fixed enclosure of the skating surface.