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. 06, 2003
Filed:
May. 23, 2001
Applicant:
Inventor:
Jarkko Valtanen, Helsinki, FI;
Assignee:
Variform Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01C 5/22 ;
U.S. Cl.
CPC ...
E01C 5/22 ;
Abstract
A protective arrangement comprising one or several plane structures such as protective plates or elements, each one of which is meant to be used with one or several similar ones and are removably attached to one another. The structural part is stiffened in proportion to bending and has stiffening ribs. The arrangement is meant for temporarily protecting a field of grass and/or ice. One or several plastic based thermal insulation assemblies are attached to the downward side of the supporting structural part. A supporting structure is formed from the thermal insulation assembly that projects from the downward surface of the stiffening ribs.