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:
Mar. 21, 1978
Filed:
Mar. 08, 1977
Applicant:
Inventor:
Michael Abert, Au (Rhine), DT;
Assignee:
Siemens Aktiengesellschaft, Munich, DT;
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G08B / ;
U.S. Cl.
CPC ...
324 295 ; 320 48 ; 340249 ;
Abstract
The maintenance condition of lead storage batteries is determined by measuring the no-load voltage, the voltage under a heavy current load and, subsequently thereto, measuring the recovery voltage at two instants spaced one second apart and by performing a qualitative comparison of the measurement results with predetermined reference voltages and making a logical evaluation of the comparison results.