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. 29, 1980
Filed:
Jul. 11, 1978
Applicant:
Inventors:
Gunter Barth, D-7500 Karlsruhe 41, DE;
Fritz von Langsdorff, D-7551 Forch, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C / ;
U.S. Cl.
CPC ...
404 38 ; 52590 ; D25 / ;
Abstract
A ground covering slab is subdivided into neighboring preformed individual stones interconnected along rupture zones of which at least parts extend non-rectilinearly from one edge of the slab to the opposite edge of the slab as seen in plan view and the preformed individual stones are of at least two kinds differing in size distributed throughout the slab.