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. 11, 1979
Filed:
Feb. 10, 1978
Applicant:
Inventor:
Howard B Gorton, San Gabriel, CA (US);
Assignee:
Ajax Hardware Corporation, City of Industry, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05D / ; E05F / ;
U.S. Cl.
CPC ...
16142 ; 16180 ; 16191 ; 49386 ; 49398 ;
Abstract
Concealed self-closing door hinge has pressure element operating in a slender box-like housing comprising parallel ears which closely juxtapose the sidewalls of the slot in which the hinge operates. This gives additional support to the door. Various means for restricting the lateral movement of the pressure element are disclosed.