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. 03, 1991
Filed:
Oct. 09, 1990
Applicant:
Inventor:
Reinhold Steinwender, Bad Kleinkirchheim, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
E04C / ; E04B / ; F27D / ; F23M / ;
U.S. Cl.
CPC ...
52575 ; 52245 ; 52608 ; 52 89 ; 110335 ; 110337 ;
Abstract
The invention relates to a keystone set for installation in the transition region between two sections of an arch-shaped support structure, the set consisting of two transition stones, between which at least one keystone is axially insertable.