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:
Feb. 03, 2004
Filed:
Apr. 08, 2002
Brian E. Spiewak, Inver Grove Heights, MN (US);
David W. Hegdahl, Lino Lakes, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention relates to a film comprising a backing and an adhesive. The backing comprises a base layer comprising a first major surface and a second major surface, and at least two rails, each rail comprising a tip surface. The rails extend from the second major surface of the base layer and define micro-channels therebetween. The micro-channels comprise a channel surface. The film comprises an adhesive on the tip surface of the rails. At least a portion of the channel surface is substantially free of adhesive. The present invention also relates to a method of protecting an automobile comprising preparing an automobile surface for application of a protective tape and applying a protective tape to the automobile surface. The present invention is additionally related to a method of manufacturing a protective film.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile