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. 05, 1981
Filed:
Feb. 26, 1979
Applicant:
Inventor:
Martin Ruhle, Stuttgart, DE;
Assignee:
Mahle GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324 / ; 324 62 ; 324 64 ; 3241 / ;
Abstract
The invention provides a method of testing silicon distribution in aluminium-silicon alloys by drawing a conductor across the surface of the alloy and measuring the changes of electric resistance between the conductor and the alloy.