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:
Jul. 29, 2014
Filed:
Oct. 01, 2010
Michael R. Harms, Mendota Heights, MN (US);
Lance E. Behymer, Woodbury, MN (US);
Justin W. Wilhelm, St. Paul, MN (US);
Lars A. Smeenk, St. Paul, MN (US);
Mark H. Smith, Stillwater, MN (US);
Luis A. Aguirre, Austin, TX (US);
Felix Bierbaum, Hudson, WI (US);
Karl K. Stensvad, Inver Grove Heights, MN (US);
Michael R. Harms, Mendota Heights, MN (US);
Lance E. Behymer, Woodbury, MN (US);
Justin W. Wilhelm, St. Paul, MN (US);
Lars A. Smeenk, St. Paul, MN (US);
Mark H. Smith, Stillwater, MN (US);
Luis A. Aguirre, Austin, TX (US);
Felix Bierbaum, Hudson, WI (US);
Karl K. Stensvad, Inver Grove Heights, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Disclosed is an expandable envelope that comprises a light directing film this both transmits and reflects light. In its inflated form and along with a light source, the envelope forms a light balloon that due to the light directing film provides directed light to an area surrounding the balloon.