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:
Jan. 01, 1985
Filed:
Aug. 17, 1981
Applicant:
Inventor:
Mario Marinoni, Magenta, IT;
Assignee:
Casma di V. Mariononi & Figli, Magenta, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05C / ;
U.S. Cl.
CPC ...
292263 ; 16332 ; 16334 ; 292266 ; 403 93 ;
Abstract
A control mechanism for a door including a first and a second longitudinal bar hinged together at their ends with the opposite ends of the bars being hinged, respectively, at a door and a frame. The hinge device joining together the ends of the bars includes a hinge pin with recesses on one of the bars and a spring loaded locking element on the other bar adapted to engage within the recesses for holding the door in the open position.