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:
Jan. 13, 1976

Filed:

Mar. 05, 1975
Applicant:
Inventor:

Elmer D Bewersdorf, Downers Grove, IL (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
270 61 ; 270 86 ;
Abstract

A folding machine having opposed discs respectively presenting a yieldable and an unyieldable annulus in tangential contact for imparting a score line to a sheet fed therebetween, inverting the scored sheet, the scored sheet after inverting is then folded (as by folding belts) to form a backbone after which the backbone is creased by being squeezed along its length to finish the fold.


Find Patent Forward Citations

Bewersdorf, Elmer. (1976). Folding machines (U.S. Patent No. 3931963). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3931963

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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