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:
Mar. 09, 2004
Filed:
Aug. 29, 2000
Applicant:
Inventors:
Chester A. Bacon, Jr., Oakdale, MN (US);
Louis C. Belisle, late of Oakdale, MN (US);
Larry K. Stump, Hudson, WI (US);
Terry R. Bailey, Woodbury, MN (US);
T. Ian Bradshaw, Port Ludlow, WA (US);
Dale H. Haunschild, Hudson, WI (US);
Gregory F. Jacobs, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/124 ; G02B 5/13 ;
U.S. Cl.
CPC ...
G02B 5/124 ; G02B 5/13 ;
Abstract
Retroreflective pavement marking material comprising on the top surface thereof an enclosed-lens retroreflective sheet that comprises a monolayer of retroreflective elements wherein first portions of the monolayer are arranged in an upwardly contoured profile and second portions of the monolayer are arranged a lower, substantially planar position.