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:
Oct. 26, 1982
Filed:
May. 18, 1981
Applicant:
Inventors:
Anders E Lund, Houghton, MI (US);
Gordon P Krueger, Hancock, MI (US);
Assignee:
Board of Control of Michigan Technological University, Houghton, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B / ; B32B / ;
U.S. Cl.
CPC ...
238 83 ; 428 63 ; 428113 ; 428171 ; 428194 ; 428218 ; 428326 ; 428170 ; 4284251 ; 428528 ; 428529 ; 428537 ; 156 622 ; 156283 ; 156284 ; 156296 ; 52720 ; 52721 ; 256 131 ; 40607 ;
Abstract
The disclosed invention includes an improved construction of structural members such as railroad crossties, highway spin posts and highway guard posts and to construction of said members from composite wood material including elongated wood flakes and to a method for making such improved structures.