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:
Apr. 24, 1990
Filed:
Mar. 18, 1988
Applicant:
Inventors:
James E Jackson, Quebec, CA;
Denis Wardlow, Quebec, CA;
Assignee:
Allsop, Inc., Bellingham, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63C / ;
U.S. Cl.
CPC ...
280604 ; 280609 ;
Abstract
A cross country ski having a bottom running surface with a plurality of grooves formed thereon. Each groove has a central portion extending transversely to the length of the ski and two lateral portions slanting rearwardly and outwardly from the forward portion. Each groove has a surface slanting toward a flat portion coincident with the running surface, in a manner that at any transverse location on the bottom of the ski a portion of the bottom surface is in contact with the surface of the snow.