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:
May. 13, 1997
Filed:
Apr. 03, 1996
Applicant:
Inventors:
Armin Heim, Kreuzlingen, CH;
Otto Morgenschweis, Mering, DE;
Assignee:
Schwihag GmbH, Taegerwilen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B / ; E01B / ;
U.S. Cl.
CPC ...
238306 ; 238264 ; 238304 ; 238307 ;
Abstract
A sole, ribbed or slide chair plate for a foot of a railroad rail provided with two spaced flat bearing surfaces between which is a concave surface allowing for non tipping of the rail when in place if the bottom of the rail has a convex surface and a shim fitting on top of the plate having a top surface composed of two spaced flat bearing surfaces between which is a concave surface.