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:
Dec. 29, 1981
Filed:
Aug. 06, 1979
Dominic R Errichiello, Bloomingdale, IL (US);
Other;
Abstract
One piece, molded looseleaf books adapted to hold paper sheets with punched holes therein, certain of said books having a spine with front and rear walls and a back wall connected at its longitudinal edges to the front and rear walls by integrally molded living hinges; a rear cover panel and a front cover panel respectively connected to said front and rear walls by a living hinge, a plurality of tubular posts mounted on the rear wall and extending toward the front wall, and a plurality of plugs respectively comprising a stem mounted on the front wall and a head sized and positioned to slidably and frictionally seat in each tubular post when the front and rear walls were pivoted to be substantially parallel; and others of said books being two piece, molded books without a spine between the front and rear cover panels, which have an integrally molded strip connected to each panel by a living hinge, a plurality of posts on the lower strip, and post-penetrated holes on the upper strip.