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.

Date of Patent:
Dec. 12, 2017

Filed:

Jul. 23, 2014
Applicant:

Smead Manufacturing Company, Hastings, MN (US);

Inventors:

Harold Peter Lindelof, Eden Prairie, MN (US);

Marvin J. Halfen, Hastings, MN (US);

David J. Gilbertson, Hastings, MN (US);

Assignee:

Smead Manufacturing Company, Hastings, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 1/06 (2006.01); B65H 20/20 (2006.01);
U.S. Cl.
CPC ...
B05D 1/06 (2013.01); B65H 20/20 (2013.01);
Abstract

A prong style file fastener, and method of manufacturer, is disclosed which has a protective element to prevent damage to paper documents and personal injury. In one embodiment, the prongs of the fastener are covered with a powder coating which is melted thereon. In the case of the powdercoat covering, the production line uses a cam drive sprocket retractor system to release the line onto a takeup.


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