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. 06, 1977
Filed:
Oct. 06, 1972
Applicant:
Inventor:
Werner Kohler, Stuttgart, DT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 93 ; 73453 ;
Abstract
A warning system for indicating a critical charge condition of starter batteries in vehicles, especially in motor vehicles which operate according to the hydrometer principle; a specially constructed float is movably arranged on the inside of an areometer housing connected with the inside of the battery housing by way of apertures in such a manner that a warning signal is adapted to be triggered when the float sinks to a predetermined height corresponding to a predetermined acid concentration.