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:
Jun. 14, 1988
Filed:
Aug. 09, 1985
Applicant:
Inventors:
Thomas W Bourgeois, Spring Park, MN (US);
William D Stuertz, Glenview, IL (US);
Assignee:
American Trading and Production Corporation, Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42F / ; B42F / ;
U.S. Cl.
CPC ...
402 75 ; 402 13 ;
Abstract
A stability unit used in combination with a three ring binder of the type having front and back covers hingedly mounted between a spine. A binder assembly including arcuate rings halves is mounted to either the spine or cover. The stability unit is mounted to either a spine, cover or both. The stability unit includes recesses adjacent each ring halve and is constructed and arranged such that a ring halve may be inserted therewithin past a resilient projection which provides a locking function. When locked, the binder may be positioned in an upright attitude.