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:
Mar. 26, 1991
Filed:
Nov. 29, 1989
Applicant:
Inventor:
Austin R Baer, Villa Park, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F / ; E05F / ; E05D / ;
U.S. Cl.
CPC ...
16302 ; 16308 ; 16354 ;
Abstract
A pinless hinge structure including a pair of longitudinally extending hinge members which are rotatably joined to each other and a longitudinally extending clamp member for maintaining said hinge member in rotatable association relative to each other. A torsion spring engages each hinge member and provides a self-operating feature to the hinge structure.