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:
Apr. 13, 1993
Filed:
Oct. 15, 1991
Applicant:
Inventor:
Mark Freeman, Camberley, GB;
Assignee:
Hugh Steeper Limited, , GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 46 ; 623 39 ; 602 26 ;
Abstract
An orthopaedic or prosthetic joint comprising a linkage having a number of fixed-length links and a spring link of variable length, wherein there are five fixed-length links which are pivotally connected together in a geometric pattern such that the spring link acts to hold the joint in any one of a number of angles of flexion.