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:
Dec. 21, 1999
Filed:
Nov. 01, 1996
Applicant:
Inventors:
Jeffrey D Janovec, River Falls, WI (US);
James C Coderre, Lake Elmo, MN (US);
James E Lasch, Oakdale, MN (US);
Kenneth L Smith, White Bear Lake, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; G02B / ;
U.S. Cl.
CPC ...
156276 ; 428172 ; 428156 ; 428913 ; 428198 ; 428166 ; 359529 ; 359530 ; 1563082 ; 1563096 ; 156290 ; 442 38 ; 442236 ; 442286 ; 442378 ; 442394 ;
Abstract
Microstructured articles of the invention comprising, in order: a) a retroreflective microstructured member; b) a sealing layer melt-bonded to the microstructured member; and c) a backing member. The backing member is a fibrous web comprising a plurality of multifilament strands and is melt-bonded to the second surface of the sealing layer.