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:
Sep. 14, 1999
Filed:
Jun. 16, 1997
Applicant:
Inventors:
William Robert Winters, Edmonton, CA;
Ray Fan, Edmonton, CA;
William Ostertag, Cold Lake, Alberta, CA;
Surindar Pal Singh, Edmonton, CA;
Assignees:
Alberta Research Council, Edmonton, CA;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A42B / ;
U.S. Cl.
CPC ...
2411 ; 2412 ; 2413 ;
Abstract
A structural shell for protective headgear includes a shell-form body composed of a plurality of cells. This structural shell can withstand loads much greater than conventional single walled structural shells, without buckling.